正方全面類 的英文怎麼說

中文拼音 [zhēngfāngquánmiànlèi]
正方全面類 英文
tetragonal holohedral class
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  1. The second passage of the article is the essential section, composed with macrocosm design, organization implement and feedback collection, designing and outlining the systemic model of certificate of leadership qualification, the whole assessment system pays attention not only to the macrocosm structure, proper and scientific frame, extensive applicability, but also to concrete steps, exiguous and intuitionistic programming, simple and convenient operation. the macrocosm design exerts modern examination theory and systemic project method to describe thoroughly the basic principles, applicable range, certificate categories, the setting of organization system, assessment target of leadership qualification, the choice of content and technology ; organization implement gives exiguous and concrete designs on the period of qualification examination, choosing time, confirmation of the certificate scale and qualification censor, written examination, interview, pub

    總體設計中運用現代考試理論和系統工程的法,適應形勢,結合實際,對認證制的基本原則、適用范圍(副廳、副處、副科等三等六級) 、認證的分、組織體系的設置、任職資格認證評價目標、內容和技術的選擇進行了宏觀地闡述;組織實施中對任職資格考試周期、時間的選擇、認證規模的確定以及資格審查、筆試、試、考察、公示的操作等進行了微觀具體地設計;反饋迴流中對認證工作的檢驗和評估、任職資格的跟蹤動態管理和認證制保障機制的建立進行了詳細說明。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾對地下水資源可持續開發問題進行了比較深入的探討:回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價法進行了對比分析,結合實例具體說明了法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測法進行了的評述,指出了各預測預報法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是確的資源觀,科學的資源計算與評價法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究向。
  3. In order to know entirely about the students " mental health current condition in northeast far area, and treat the existing questions correctly, develop the mental health education, ducuments, action studying, comparing and experience summarizing ; on the basis of analyzing and summarizing the trend and problems in the development of psychology health job, we investigate and analyse 4451 students mental health condition ranging from grade 4 in primary school to grade 3 in senior school. at the same time, we make an auxiliary investigation of the environmental elements ( condition of school job, condition of teachers " psychology quality, family environment ) that effect the students mental health, and combine with the job experience, we will make an expositions about reginal and practical interference tactics

    真實了解東北邊遠地區學生心理健康現狀,確認識存在問題,從而積極、科學地開展心理健康教育,採用調查法、文獻法、行為研究法、比較法及經驗總結等法,在分析總結國內心理健康教育工作發展趨勢和存在問題的基礎上,對某地區市、縣、鄉各級各學校小學四年級至高中三年級共4451名學生的心理健康狀況進行了調查分析;同時,對影響中小學生心理健康的環境因素(學校工作狀況,教師心理素質情況,家庭環境等)進行了輔助調查,並結合工作實踐,對區域性、具有針對性、實效性的干預策略進行了論證。
  4. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于則曲線的情形,我們發現了兩個用於求解p -彈性曲線的結構程的killing向量場並用積分將p -彈性曲線在一個柱坐標系中表示出來,而對仿射星形曲線的情形,我們用積分法解出了歐拉-拉格朗日程,利用killing向量場及線性李代數s1 ( 2 , r ) 、 s1 ( 3 , r )和s1 ( 4 , r )的分將高階結構程降為一階線性程,因此我們用積分完解出了中心仿射p -彈性曲線。
  5. Combining with knowledge representation and automatic reasoning principle of ai and generic paradigm, the system has these main functions : ? it is able to show different solutions of typical example ; ( 2 ) it can automatically generate problems similar to the example for students to solve by providing them with clues ; ( 3 ) these problems can be studied by demonstrating the complete solution process and answers with the help of automated reasoning, or by providing real - time prompts to students concurrent with the students " solution processes with the help of automated reasoning ; ? it provides exercises and is able to call a program produced by the group ( the translator ), which transfers apla programs to executable programs so as to verify its correctness ; ( 5 ) it let teacher to add examples in the database ; etc. hi the course of systematic research, we deeply investigated the relevant knowledge of the system and made some innovation : about teaching content, we select par method as the main content

    本系統選用薛錦雲教授的par法為主要教學內容,應用人工智慧的知識表示和自動推理原理及泛型思想,使得系統具有以下核心功能:展示幾種典型例題的解;以泛型思想為指導,實現了無限題庫,可以自動生成與典型例題似的問題給學生求解並給予提示;對于這些題目,計算機可以自動推理出由問題到程序的過程供學生學習;也可通過自動推理根據用戶的實際做題情況實時給出提示,互動式地幫助學生學習演算法程序設計;學生可以從問題庫中獲得練習,並調用轉換器,將自己的apla程序轉化為可執行語言程序,運行以檢驗其確性;對教師而言,可以對已有的實例庫、問題庫進行添加操作等。在系統的研製過程中,我們深入研究了系統的各相關知識,並進行了多的創新:在教學內容,首次選用par法為主要內容。
  6. The following is the main content of the study : first, as known to all, the " bidding situation " that includes the factors must be considered during the bidding procedure in construction industry is always hard to make clear. the paper uses the method of layer contribution analysis to solve the variable selection problem in the bidding procedure for the first time. on the one hand, the difficulty of setting the right function during the modeling procedure is avoided, and on the other hand, the types of function in regressive modeling are extended, which makes the study of variable selection is more general

    文主要的研究內容和研究成果概括如下:針對建築行業投標報價過程中難以確定「投標形勢」的難題,首次將層次貢獻分析法應用於投標報價過程中的變量選擇問題,一避免了在建模過程中如何確設定函數形式的困難,另一也擴充了回歸建模研究中的函數型,使變量選擇研究更具有一般性,模擬結果表明:使用層次貢獻分析法刪減變量后的投標報價模型更加符合實際的報價需要。
  7. Aiming at this problem, the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb, dtd is taken as the schema description language for xml, and the semantic constraints are often lost during the transformation process. to overcome these disadvantages, the author adopts xml - schema, a standard schema description language proposed by w3c to replace dtd, as the description method owing to its more powerful functions than dtd, and of course with the syntax much more complicated. after analyzing the constraints characteristics in both xml - schema and relational schema, a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach

    保留語義約束的xml與rdb雙向靜態數據轉換技術現有研究大多採用dtd ( documenttypedefinition ,文檔型定義)作為xml的模式描述語言,並且在模式映射過程中丟失語義約束信息,本文分析了xml - schema ( xml - schema採用與dtd完不同的語法,數據描述能力更強同時也更為復雜,已被w3c確定為替代dtd作為xml模式描述語言的標準)及關系模式的語義約束特徵,通過基於則樹的xml形式化描述法以及基於有向圖的一般關系模式表示法的研究,建立保留語義約束的xml - schema與關系模式的雙向模式映射演算法,實現了xml與rdb的雙向數據轉換,較好地解決了xml與rdb在靜態數據轉換層的數據集成問題,可有效滿足企業大量rdb數據向xml的發布以及與日俱增的xml數據存入rdb的應用需求。
  8. According to the background information from the above, the facts of the combination, expansion and quick development of wut, and the strategic significance of the world ' s economy and the development of university, and from the angle of history, reality and the future, to a large degree, this paper analyzes three strategic environment faced by university, that is : intellectual economy and the world ' s new technical revelation ; marketing economy and modernization of china ; the popularity of education and the reform of chinese higher leaning system. through a thorough analysis of thirty six comprehensive universities and science and engineering colleges owned by the national education department, and through comparison between typical universities, this paper also objectively analyzes the strength and advantages of the development of wut on the aspects of subjects, trade and scale, and the disparity existed in subject strength, scientific and technical ability, qualified personnel construct and the economic base. through those analysis, it points out several problems in the development of university, such as " no common idea, no complementary subjects, no fixed core, no unified campus " and etc. therefore, a basic conclusion is drawn, that is " generally speaking, wut ranks among the second class of the nation ' s higher learning groups, and which possesses many potentialities to help itself step into the first class universities

    本課題是從上述背景出發,緊密結合武漢理工大學合併、擴招和大發展的實際,從世界經濟和大學發展的高度,從歷史、現實和未來的角度,大范圍、多層、寬視野地分析了學校發展所臨的知識經濟和世界新技術革命、市場經濟和中國現代化建設以及教育大眾化和高校管理體制改革三大戰略環境,通過對育部所屬36所綜合及理工高校的整體分析和典型大學的個案對比,比較客觀地分析了學校發展在學科、行業和規模三的實力與優勢以及存在的學科實力、科技能力、人才結構和經濟基礎等四的差距,指出了學校發展中「無共同的理念、無互補的學科、無凝聚的核心、無統一的校園」等問題,並得出一個基本結論:學校總體位居國高校第二集團水平,具有向一流大學邁進的基礎,同時,相比國內一流大學又有很大的差距。
  9. The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method

    本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的向推理機制的流程、以及基於事實的自動解釋機制的具體實現法;第四章介紹了向對象技術,進而採用向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則為例說明系統中具體的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界進行了介紹,並總結系統的特點;第六章總結了文,指出本文所構造系統存在的不足以及對將來的展望。
  10. Securing judgment procedure is to protect the legal rights of creditor, under that aim, there also exist two direct aim, one is safeguard the execute of the judicial addict made in the future, the other is to avoid the unredemptive damages chapter 3 the type of civil securing judgment procedure this chapter researches into the type of civil securing judgment procedure and relevant legal basis in main countries, including the arrest and einstweligeverfugung in germany and japan, the juger en refere iprocedure and qrdanance sur requite in france, attachment, temporary restraining order and preliminary injunction in u. s, pre - judgement rremedies in britain, and property preservation and advance execution in china the civil securing judgment procedure system of france, u. s. and britain don t meet the situation and tradition custom of china, while the civil securing judgment procedure system of german and japan has deficiency the conclusion of this chapter is, we should reasonably reform current civil securing judgment procedure system of china, reconstruction the dual civil securing judgment procedure system under the division of property preservation and action preservaition chaptei4 court has the power of jurisdiction this chapter researches into the court which has jurisdiction to different kinds of securing

    筆者認為,民事保程序存在審理階段的保程序和執行階段的程序,是特別的訴訟程序和執行程序兼容;民事保請求權屬于廣義上的訴權;民事保權屬于裁判權(司法權)和行政權並存;民事保程序應當體現迅速原則、保護雙當事人;權益原則、程序當原則、保措施的標的有限原則;民事保程序的總目的是為了保護債權人的合法權益,其直接目的有二:一是保障將來執行文書的強制執行,二是:避免將來無法挽回的損失。第三章民事保型本章對各主要國家關於民事保型及其依據逐一作了論述:德國和日本的假扣押與假處分、法國的緊急審理程序和依申請作出裁定的程序、美國的, 、一。扣押和中間禁令、英國的臨時性救濟措施、我國的財產保和先予執行。
  11. They include : ( i ) problems existing in development strategy of army listed companies, such as, replacing strategic plan with management plan ; lack of understanding for the importance of strategic management ; no development strategy at all in some companies. without strategic plan, a company can only have a partial understanding of the situation instead of a comprehensive one, just like the blinds feel the elephant ; ( ii ) the thesis intends to analyze the inside and outside factors of army listed companies to specify their development goal while taking suntime international as an example to have further analysis ; ( iii ) combining with strategic planning theory, the thesis tries to probe into the development strategies of the eight army listed companies. army listed companies can be divided into two categories : one category includes the four companies with suntime and new zhongji as their heads

    本文主要論述兵團上市公司在發展戰略的有關問題,包括: (一)兵團上市公司在發展戰略上存在的問題,如:以經營規劃代替戰略規劃,對戰略管理重要性認識不足,有的上市公司甚至沒有發展戰略等等,缺少戰略的規劃就如同六個瞎子摸象一樣,只識局部不掌握局,而這是兵團上市公司在戰略研究存在的問題; (二)本文試圖通過分析兵團上市公司存在的內部因素,外部因素,確定兵團上市公司的發展目標,並以新天國際為例作了進一步分析; (三)本文結合戰略規劃的理論,試圖對兵團八家上市公司發展戰略進行探索,兵團的上市公司分為兩:一是以新天國際,新中基為首的四家企業,在本行業中經營成熟,具備實現多元化的市場戰略的能力,並可以根據市場,產品的情況採取幾種戰略式;二是其它企業,在本行業中還存在著發展潛力,應集中力量在本行業中作強,應施行差異化戰略,名牌戰略,將自己的產品作強,進而在整個行業中作強,這些企業暫時不要去搞多元化戰略; (四)兵團企業能否做大還取決于能否持之以恆的戰略。
  12. It also shows the two principal methods to measure and evaluate the extent of equity, and summarizes the gains and losses, the success and failure that china has made during the decades of planning economy and socialist market economy. after that, the thesis makes an empirical study on the status of equity and efficiency and their relationship in some other countries in the world. at last, using the experience on the issue of equity and efficiency of other countries for reference, and employing the fundamental principles of marxism " political economics and the general approaches of the western economics, the thesis analyzes and demonstrates the issue of equity and efficiency during the process of modernization in china, and proposes the view that china should realize the sound interaction of equity and efficiency basing itself upon the reality and taking a broad view of the future

    本文採取理論研究與實證分析相結合的法,在搜集和查閱了大量國內外文獻資料的基礎上,詳細介紹了國內外關于效率與公平的概念、分和相互關系的認識、主張和觀點,介紹了對公平度進行評價的兩種主要法,總結了中國幾十年計劃經濟和社會主義市場經濟的得失成敗,並對世界主要國家公平與效率的狀況及其結合狀態進行了深入的實證研究,在借鑒世界各國關于效率與公平問題的實踐和經驗教訓的基礎上,運用馬克思主義政治經濟學的基本原理,借鑒西經濟學的一般法對中國現代化進程中效率與公平的問題進行了、嚴密的分析與論證,提出了社會主義初級階段確處理公平與效率問題的思路和原則及「立足現實,著眼長遠,實現公平與效率良性互動」觀點。
  13. Pass possibility towards press spirit equipments open emerge a contrast test, pressed the spirit equipments to provide for right choice basis, bring upped the adoption many cents area independence provide the spirit with adopt the pit inside press the spirit to stand completely replace the current ground press what spirit stand to reform the project, and combine to synthesize the argument that project the technique with the economy ' s rationality that mines, the right similar term press the ref orming of spirit system to have the certain leading meaning

    通過對壓氣設備進行現場對比測試,為確選擇井下壓氣設備提供了科學依據。從而,提出了採用多分區獨立供氣和建立井下壓氣站代替目前地壓氣站的改造案,綜合論證了該案的技術可行性和經濟合理性。該研究法和研究成果對似條件的礦山壓氣系統改造具有一定的指導意義和推廣應用價值。
  14. Cluster analysis using the conception of distance parameter, made the attributes that have the high correlativity become the same sort. so the classification of attributes become complete and correct

    分析法利用距離系數的概念,把相關性較大的屬性參數聚咸一,使參數有一個確的的分
  15. Moreover, for chinese banks and researchers, both the requisite technologies and experiences in this field are just in the beginning steps, yet somewhat lagged behind. the main purpose of this paper is to give a complete and systematic discussion on the theoretic basis, methods and formalities of the five - class system of credit assets, which is currently used in the people ' s bank of china, together with the introduction and comparison of other contemporary formalities of credit assets adopted by other commercial banks. then we give a deep and concrete analysis of the situation and problems in the current operation of the credit assets five - class system in the b city commercial bank in anhui province

    本文的主要目的就是針對目前中國人民銀行在推行的信貸資產五級分的理論基礎、法及程序進行了較為和系統的論述,並對同時期國內外商業銀行所採取的信貸資產分模式做了相應的介紹和比較,進而具體剖析了現階段安徽省b市商業銀行在信貸資產五級分操作中的具體步驟,同時,借鑒了貸款風險評估的相關理論和模型,對安徽省b市商業銀行目前的貸款風險分法的現狀和存在的問題進行了較為深入的、系統的分析。
  16. To enhance the quality of content - based information services, we need to improve the text arithmetic of text classification. as a result, this paper researches in detail into statistical text classification arithmetic. it divides the text classification system into three parts, that is, term selection, term weighting, and classifier construction

    要想提高基於內容的信息服務質量,需要在技術從根本上提高文本分摘要演算法的確率,因此本文研究了基於統計的自動文本分法,包括特徵項提取、賦權、分器構建等問題。
  17. This paper based on the multi - controllers developed by our staff room and modern network instruments, started with the characteristics that visa is irrespective of interfaces and controller, firstly it not only expressed the structure of visa and the design methods of visa according to sorted visa functions, but also discussed different methods to develop visa in term of different interfaces, it also explained the way to realize the attributes and error code of visa, then researched on the means of development of visa in network instruments ; in the end, the applications of our visa, which ran on the controller of usb - gpib 、 pci - gpib 、 enet - gpib, validated the whole visa functions, thereby it realized instrumental vxi plug & play. this paper not only provide roundly comprehension to visa, but also brought forth comprehensively the ideals and methods of developing visa, the noverty of this paper is that : not only can our visa control gpib 、 vxi instruments, but also described ways of developed visa on network instruments

    本文以教研室開發的多種控制器及現代網路儀器為硬體基礎,從visa不分介,不分總線的特點出發,首先闡述了visa的結構,以及按照visa分進行visa設計的具體法,並論述了在開發visa的過程中針對不同介所採用的不同法,說明了visa的屬性機制和錯誤機制的實現法,然後研究了利用rpc工具開發網路儀器visa的詳細設計法,最後,通過教研室開發的usb - gpib控制器、 pci - gpib控制器、 enet - gpib控制器實際調用visa庫,驗證其基本實現了visa的部功能,從而真實現了儀器的即插即用。論文不但較為地給出了對visa的理解,而且較為地展示了設計開發visa的思想和法,其新穎之處在於:不僅visa能夠控制gpib 、 vxi等總線儀器,而且還針對網路儀器visa設計作了較為深入的研究。
  18. But how to measure grounding resistance of large grounding grid simply and exactly is a difficult problem to electric power staff all the time. this paper has classified measuring methods of grounding resistance at home and abroad, and has analyzed interference factors during measurement, and has summarized principle and characteristic and measuring current and so on of various measuring methods

    本文對國內外現有或在研究的測量法進行了分,分析了測量地網接地電阻干擾的主要來源,並首次地對各種法的原理、特點、測試電流、消除干擾能力和測試結果進行了比較分析、總結歸納,便后來者研究應用。
  19. Intensive mankind activities are comprehensively and deeply disturbing the natural water cycle of river basins, giving the water cycle an evident “ natural - artificial ” binary evolutionary character in all the aspects of driving force, cycling structure, response parameters, etc and resulting in a series of post - effects on resource, ecology and environment, which are particularly reflected by the three major common problems of water shortage, water pollution and ecological deterioration in the northern china

    強烈的人活動深度擾動著天然流域水循環過程,致使流域水循環在內在驅動力、循環結構和響應參數等都呈現出明顯的「天然人工」二元演化特性,同時引發一系列伴生的資源、生態與環境後效,在我國北地區突出表現為缺水、水污染和生態系統退化三大共性問題。
  20. In chapter 2, we give some important properties of metapositive definite matrices, the expression of real and imaginary part about eigenvalues of real square matrices as well as the range of eigenvalues of real square matrices ( especially the range of their imaginary part ). on the other hand, we sum up, establish and extend some necessary and sufficient conditions of metapositive definite matrices roundly. in chapter 3, we give some important properties of complex positive definite matrices, the expression of real and imaginary part about eigenvalues of complex square matrices as well as the range of eigenvalues of complex square matrices. on the other hand, we sum up, establish and extend some necessary and sufficient conditions of complex positive definite matrices roundly. in summary, we discuss in terms of set theory the relation among real symmetric positive definite matrices, hermitian positive definite matrices and two types of generalized positive definite matrices - metapositive definite matrices and complex positive definite matrices

    第一章:除引入hermite矩陣、 hermite定矩陣和實對稱定矩陣較重要的性質外,還建立了它們的其它一些重要性質,尤其較地總結和建立了它們的若干充分和必要條件;第二章:建立了亞定陣的一些重要性質,給出了實陣的特徵值實部和虛部的表達式,並導出了實陣的特徵值范圍尤其是導出了其虛部范圍,同時著重較地總結、建立和推廣了亞定陣的若干充分和必要條件;第三章:建立了復定矩陣的一些重要性質,給出了復陣的特徵值實部和虛部的表達式,並導出了復陣的特徵值范圍,同時著重較地總結、建立和推廣了復定矩陣的若干充分和必要條件;文小結:從集合論的觀點出發,對已討論過的四定矩陣? ?實對稱定矩陣、 hermite定矩陣、亞定矩陣和復定矩陣之間的關系作了比較細致的論證與探討。
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