算術級數的和 的英文怎麼說
中文拼音 [suànshùjíshǔdehé]
算術級數的和
英文
sum of arithmetic progression- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 數 : 數副詞(屢次) frequently; repeatedly
- 的 : 4次方是 The fourth power of 2 is direction
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 算術 : arithmetic figure; arithmetic
- 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
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As object lessons to explain : 1 the nature and habits of oviparous animals, the possibility of aerial flight, certain abnormalities of vision, the secular process of imbalsamation : 2 the principle of the pendulum, exemplified in bob, wheelgear and regulator, the translation in terms of human or social regulation of the various positions clockwise of movable indicators on an unmoving dial, the exactitude of the recurrence per hour of an instant in each hour, when the longer and the shorter indicator were at the same angle of inclination, videlicet, 5 5 11 minutes past each hour per hour in arithmetical progression
他把它們作為實物教材,用以說明: 1卵生動物的本性與習性,空中飛行的可能性,一種異常的視覺器官,世俗界用防腐藥物保存屍體的方式。 2體現于擺錘輪與整時器上的鐘擺的原理不動的針盤上那可移動的正轉的長短指針在各個位置作為人或社會規范所包含的意義長針和短針每小時在同一傾斜度相遇的那一瞬間,也就是說,按照算術級數,每小時超過5 5 11分的那一瞬間,每小時重復一次的精確性146 。It implements web crawling through distributed technology, and builds index database through accidence analyzing chinese characters separating unuseful words deleting etyma extracting index words selecting and lexicon. the level system uses new model of web accessing and level computation to build web level system so that the requirement for computer resources is greatly reduced
該搜索引擎使用分散式技術實現網頁獲取模塊;通過詞法分析、中文分詞、無用詞匯刪除、詞干提取、索引詞條選擇和詞典等技術建立索引數據庫;該搜索引擎的級別系統使用了新的網路訪問模型和級別計算模型,大大降低了搜索引擎對于計算機資源的要求。High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network
本文從未來ip骨幹網技術所要求的高速化、多業務支持、經濟性出發,介紹了在傳統路由器基礎上將控制部件和轉發部件分離的第三層交換技術,比較了數據驅動模型和控制驅動(拓撲驅動)模型兩種轉發演算法,並由此引出下一代ip骨幹網路技術? ?多協議標記交換,闡述了其工作原理以及在流量工程、服務等級區分和虛擬專用網中的應用。The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data
本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication
本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象,設計了以個人計算機為上位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。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、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面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 + +語言以規則類為例說明系統中具體類的實現,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面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論,特別對利用空間信息進行閾值選取進行了詳細論述;在對通過對基於數學形態學的細化的基礎上,討論序貫同倫形態細化演算法和保形的快速形態細化演算法;然後依據聯機字元識別原理框圖,分析了手寫數字的結構特點,提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術,對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述;繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究,對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振( art )網路的字元識別分別進行了詳細討論,並引入置信度分析將多個分類器進行了混合集成;最後簡單闡述了手寫數字識別的典型應用,對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。The company is located at zhejiang ningbo technology park and it engages mainly in the smelting equipment of magnesium and aluminum allo y, quantitative conveying ana pouring equipment, gas protection device and the magnesium alloy pressure casting parts. the more, it can provide services of technology development, achievements transferring, process revamping, material inspection, computer stimulation, etc. the company is based on the strong technical strength of the military technology and the research institutes and has a large number of senior research personnel. the company owns many patents and know - hows, among which the magnesium alloy smelting, gas protection, quantitative pouringas well as the later on processing technology has reached the world advanced levet. the company sticks to aim of quality first, credit supreme and would like to provide best
公司位於浙江省寧波市科技園區凌雲路199號,是以生產鎂合金鑄件為主業,包括壓鑄低壓鑄造等,並具備技術開發成果轉化等功能的綜合性科技公司,以兵器工業和科研院所的雄厚實力為依託,擁有自主知識產權的多項專利專有技術和國際一流的技術裝備,擁有教授博士碩士等高級專業研究人員數名在鎂合金鑄造產品研製及后續加工方面,我公司擁有技術領先優勢,目前我公司為電動工具汽車摩托車零部件it行業以及軍工方面提供配套產品配套設備技術咨詢與技術服務技術轉讓及聯合開發,還可以進行工藝改造材料檢測檢驗計算機模擬等多項服務The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation
再由球形檢驗和主成份分析、信度分析、多元回歸分析的技術路線,逐層遞深地解譯影響城市地價的主要因素及相互數量關系,其研究結果揭示了城市地價的變化規律和影響因素、明確了限制城市區域發展的因素,為合理的城市規劃,市政建設項目規劃,合理安排土地用途,確定土地利用強度,提高土地利用效益等提供了科學依據,同時探索的系列化方法可直接應用於城市定級估價的實際操作中,有利於提高工作效率,縮短估價時間,提高城市地價的現勢性,建立地價動態監控和測算系統,又可提高城市定級估價的準確度和客觀性,在理論上、學術和實踐上均有積極意義。Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified
摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份,在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定,發現材料間性狀隸屬函數值具有豐富遺傳變異,以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標,從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型( 1級)材料和臨河大粉青、寧海晚黃豆等乾旱敏感型( 5級)材料。Some exponential sums over primes in an arithmetic progression
算術級數中的一個指數和估計The paper contains two segments : static and dynamic detection, evaluation and alteration. static monitoring contains apparent and load detection. the model of multi - layer fuzzy evaluation and the bridge using capability grade membership function are used in the appraisal of the bridge technical condition of the highroad criterion technic and maintenance, and then the data and excel of the bridge compontents. the bridge grade membership function can be deduced from the factor theory domain. grade theory domain and the bridge using capacity grade membership function, then by baseding the connection of weigh and factor judgement matrix and judging gradually, finally the bridge comprehensive evaluation synthetical judging grade will be figured out
在表觀檢測中將多層次模糊評價模型和橋梁使用性能等級隸屬函數引入《公路技術養護規范》中的橋梁技術狀況等級評定中,並對此規范中的橋梁部件缺損狀況評定狀況進行修正;通過建立因素論域、等級論域以及根據王光遠教授提出的利用典型函數形式來建立橋梁使用性能等級隸屬函數,通過權重和因素評判矩陣的關系來運算,逐級評判,最終求出橋梁綜合評判等級。Cti middleware can realize the call central to the pbx and provide the open interface for the application layer above. so it is the core of all the system. this paper analyses principly the cti middleware from its type, system structure, control to pbx and program to agent etc. the part of business - realizing adopts 3 - tier mode of computer network. that is to import database middleware - a pplication server between client and server. which will solve the problem of communication between the client and database as the server of the agent software. then the thesis discusses the development and realization of business software running at agent. and programs it with visual basic
呼叫中心平臺接入採用傳統的pbx數字排隊機, cti中間件不僅對交換機進行呼叫控制,且為上層的業務應用層提供開放的介面,本文從它的類型、體系結構、對交換鐵交換技術與企業級cti智能業務平臺開發機控制和對座席端編程等方面進行了原理分析。后臺業務實現部分採用了計算機網路的三層模式,在客戶端和數據庫系統中引入了數據庫中間件? ?應用服務器,它作為座席的服務器端,能很好的解決客戶機和數據庫之間通信管理問題,本文對它進行了設計實現。Therefore, the paper establishes the parallel computing platform and meets the demand of computing resources for large eddy simulation. it also studies the integration of cad / cam, grid generation system and cfd system, and brings the model computed in the paper into this system. on the bases of systematical and thorough numerical simulation researches in circular cylinder and the compares between instantaneous piv metrical results and numerical results of circular cylinder, the paper obtained some problems and several conclusions which should be noticed in les for making correct computatioa finally, by using these experiences and conclusions above and by putting them into an actual problem in engineering - optimized numerical simulation of static mixer, this paper achieved the turbulent high - level numerical simulation technique, i. e., system atical attempt in engineering application by les method
為此,搭建了微機并行計算平臺,解決了大渦模擬對計算資源要求;對cad cam 、網格生成與cfd系統集成進行研究,並將論文中所要計算的模型納入到此系統內;在對圓柱繞流問題進行了系統和深入的數值模擬研究和對圓柱繞流瞬態piv測量結果與數值計算結果進行比較工作基礎上,得到大渦模擬方法正確計算所需要注意問題和若干結論;最後利用以上得出的計算經驗和結論,通過對一個實際工程問題? ?靜態混合器優化的數值計算,完成了cfd中湍流高級數值模擬技術? ?大渦模擬方法工程應用的系統嘗試。After analyzing and studying the characteristics of the sequence generation of grey system theory, this paper proposes the concept of three - dimensional data sequence, extends the grey system theory from one - dimensional data sequence to three - dimensional data sequence and enlarges the application range of the theory in engineering. this paper also proposes a decomposition coefficient selection method and a partial concave - convex characteristic decision method to the preference generation, which can solve the problem that the internal point generated by the original method was inconsistent with the actual system. considering the errors existed in ends generation with step ratio and smooth ratio methods, the author proposes a tendency average generation and improves the quality of the generation greatly
灰色建模與逆向工程兩者有其十分相似的內在關系,本文通過學科交叉,深入研究兩種不同學科理論,在繼承灰色系統理論這一我國原創性理論思想的基礎上,補充和豐富了新的內涵並將其滲透到逆向工程中的數據測量與數據處理技術的應用之中,使機械工程中甚少應用的這一灰色系統理論得到了進一步的拓展,主要成果如下: 1 .分析研究了灰色系統理論中序列生成的特點,提出了三維數據序列的概念,將灰理論的一維數據序列拓展到三維數據序列,拓寬了灰理論在工程中的應用范圍;提出了有偏生成演算法中生成系數分解選取方法和數據序列點局部凹凸特性決定生成系數的方法,解決了原有方法生成內點與實際系統不一致的現象;針對級比和光滑比用於生成端點有較大誤差的情況,提出了趨勢均值生成演算法,大大提高了端點生成的精度。In this paper, after analyzing the three layer structure of data fusion system, then a kind of fire detection ' s three - layer structure based on data fusion is proposed. also according to fire ' s non - structure character, proposes to use artificial intelligence method in fire detecting three layer structure, mainly including expert system, neural network and fuzzy control technology. the aim is to design a kind of quickly, exactly and effectively fire detecting system
本文在分析了數據融合系統的三級結構及火災非結構特性的基礎上,提出了一種基於信息融合的火災探測三級結構和實現三級結構的人工智慧演算法,這些人工智慧演算法主要針對於火災的非結構特性,包括專家系統、人工神經網路、模糊控制等人工智慧技術,目的在於設計出一種快速、準確和有效的火災探測系統。The concrete measures include the followings : selection of stable and powerful control system ; use of flexible control program to realize three - level control ( manual, automatic, and on - the - spot control ) ; application of sanitary on - the - spot detection equipments of high accuracy for quantification and control ; data collection for the whole process and data storage in real - time database and historical database ; application of production informatization interface to achieve automatic detection and gathering of every important technical parameters
措施為:選用穩定的、功能強大的控制系統;編寫靈活的控制方案,實現手動、自動、現場控制三級控制;選用衛生型、精度高的現場檢測設備參與計量和控制;全程數據採集,實時和歷史數據庫進行數據存儲;生產信息化介面等技術實現了對保健酒生產過程各種重要工藝參數的計算機自動檢測、採集,實現生產流程的自動控制。The hardware and software design methods of the system are discussed, and the methods that solve the problem under ultra - low frequency are emphasized, such as the design of ultra - low - frequency amplifier and the arithmetic of adjusting the vibrant level. in the end, many kinds of experiments prove the performance of total system
對校準系統的硬體和軟體設計做了有側重點的介紹,對解決超低頻下振動臺的技術難題的技術方法做了重點介紹,如低頻功率放大器的設計和低頻軟體振級調整演算法等;最後用各項試驗數據驗證了本校準系統的性能。Going with the language tide of standardization and normalization, and based on " the phonetic distinctive feature database system of grade - rule for putonghua - standard - examination ", the paper, appreciating the experimental data and relevant theories of experimental phonetics and computer phonetic processing technology, designs a set of software system which is operable, extendable and applicable ( operational, extensive and practical ), with the goal of increasing the justice level of the examiner and the language level of the examinee. the paper also supplies an examine rule for the examiner and the examinee to make a precise understand about the sandra language examination
本文就是順應對語言的規范化、標準化的要求,在《普通話水平測試各等級標準語言特徵數據庫系統》的基礎上,利用實驗語音學、計算機語音處理技術的具體實驗數據和有關理論,設計出一套具有可操作性、可擴充性、實用性的軟體系統,以便提高測評員的公平性,提高應試人的普通話水平,讓測評員和被試者有據可依,準確理解和把握測試標準的尺度。O conceptual hierarchies organization technique concepts in databases are organized into a partial order called conceptual hierarchies. conceptual hierarchies play an important role in the knowledge discovery process because they specify backgroud or domain knowledge and may affect the discovery processing and the results. ln this paper, basic ideas about conceptual hierarchy and its manipulation are discussed. based on the conceptual hierarchies in the nms database, we present processing methods o application research of multilevel association algorithm in the nms database we emphatically discuss performance data multilevel conceptual association problems on network management background, especially, the association between performance data and geographic location. after studying encoding multilevel association algorithms and background item constraint algorithms, an efficient mining multilevel association algorithm between performance data and geographic location is presented. lt is efficient for mining useful association rules
一旁多級關聯演算法在網路數據庫中的應用本文重點研究了網路管理背景下多級概念下性能數據關聯問題,特別是性能數據和地理位置關聯的問題。將概念結構方法應用於網路管理數據庫之中。通過對編碼結構實現的多級關聯技術的研究,通過對網路管理數據庫下背景知識約束條件實現研究,提出了」一種高效的,網路管理性能數據與地理位置關聯的挖掘演算法。分享友人