第四因子 的英文怎麼說

中文拼音 [dìsìyīnzi]
第四因子 英文
calcium ion
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  • 四 : Ⅰ數詞（三加一后所得） four Ⅱ名詞1 [音樂] （中國民族音樂音階上的一級） a note of the scale in gong...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 第四 : fourth第四產業 quaternary economic sector
  1. The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment

    空間環境中力學環境對可動結構的影響直接關繫到機構的設計問題，所以本文第四章中嶽建如：中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境，然後給出了空間環境的三種軌道環境劃分，及每一種環境影響因素對空間可動結構設計的影響，包括原子氧、離子射線、溫度、微隕石和碎片以及真空冷焊現象等環境因素，提出了材料選擇的原則，為可動結構材料選擇提供了一定的依據。
  2. We also compare our methods and results with le coq ' s. in chapter 4, the interaction between atoms within the atom laser beam will be included in the potential energy, which leads to the non - conservation of the quality factor

    第四章:由於原子激光內部原子間相互作用的存在，原有的品質因子不再守恆，需要引入描述原有品質因子和原子間相互作用綜合作用效果有效品質因子來討論原子激光的傳輸。
  3. According to composition and structure feature of jinjiang landslide analysis, the author considers it was a enormous landslide with the characters about multi - period ( total four slides ) and overlaying, its mechanism of deformation failure attributed to a representative sliding - bending mode in the consequent slope, the stability calculation indicates that no matter what the whole landslide would not slide, while, as earthquake intensity reaching or exceeding vi, the first - period landslide which lies to the south of huangjiagou in the front slip mass and the fourth - period landslide which lies to the north of caojialiangzi in the back slip mass will slide

    由金江滑坡的組成及結構特徵分析可知，邊坡為一多期次（四次滑動）兼具超覆特徵的巨型滑坡，其變形破壞機制屬順層邊坡中比較典型的滑移?彎曲型。穩定性計算表明，滑坡整體穩定性較好，僅在遭遇度及其以上地震作用的情況下，堆積體前部靠黃家溝以南的第一期滑坡及靠後部北側曹家梁子的第四期滑坡堆積體才會失穩；因素敏感性分析表明，滑坡穩定性對地震（尤以強震）最為敏感。
  4. There are concerns that harvesting wild shrimp for aquaculture may deplete local shrimp populations or cause by - catch problems, hi addition, the use of wild shrimp poses a serious risk to the shrimp aquaculture industry because they may be carriers of virulent viruses. the life cycle of chinese shrimp has been closed, paving the way for the establishment of genetic improvement programs. the use of dna markers can contribute significantly to the development and implementation of genetic improvement programs

    本文嘗試利用aflp及其相關技術sampl在中國對蝦中篩選相關分子標記，並通過比較抗病中國對蝦（第四代抗病蝦）及對照（前幾代抗病中國對蝦、野生中國對蝦）譜帶差異，試圖找到與中國對蝦生長速度、抗病等性狀相關的分子標記或主效基因，為中國對蝦的遺傳圖譜構建、 qtl作圖、分子標記輔助選擇及其他育種方法奠定遺傳學基礎，同時對中國對蝦性別相關標記和sampl法發展微衛星標記作了一些探討。
  5. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。
  6. It divides the main vegetation of the headwater region of huangpu river into 4 categories based on field survey and observation and methods of factor analysis and systematic cluster analysis and according to the degree of soil and water conservation function : deciduous trees and shrubs are category 1 which shows very strong soil and water conservation function ; tea plantation, grasslands and pine trees are category 2 which has stronger function ; the category 3 is moso bamboos and broadleaved evergreen trees which have stronger permeability and erodibility, but the permeable performance is not outstanding, the capacity of soil moisture storage common and soil and water conservation function moderate and ; the category 4 is uncovered land where the soil and water conservation function is very weak and its permeability, erodibility, erosive resistance and soil moisture storage capacity are all notably smaller than that of the other lands

    摘要在野外調查、實測的基礎上，採用因子分析、系統聚類分析的方法，根據土壤層水土保持功能的強弱，將黃浦江源區主要植被類型分為4類：落闊林、灌木林為第一類，表現出很強的水土保持功能；茶園、草地、松林為第二類，土壤水土保持功能較強；毛竹林、常綠闊葉林表現出較強的抗蝕性和抗沖性，但滲透性能並不突出，土壤貯水能力也一般，水土保持功能中等，為第三類；裸露地水土保持性能很差，單獨作為第四類，其滲透性、抗蝕性、抗沖性、土壤水庫容都顯著小於其他各樣地。
  7. 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。
  8. This paper includes five parts. the first is to review the study on the subject ; the second is to discuss the characteristic of chian ' s stock market. the change of money - admitted policy and the questions on the study. the third is to verify the size effect in china ' s stock market by using correlation test and regression test on the bases of four different criterions, each criterion will be applied with two time - series methods. the fourth is to summary the main character of four different criterions, and apply joint test to the criterions that were proved the best concerning the size effect. the illiquidity risk was introduced to the study, the indexes of turn - over rate and the fluctuation of turn - over were used here. however, other factors that may influence the invest return rate as circulating rate and size were also included. according to the result, the size effect will be interpreted. the fifth is to summary the size effect and its explaination, and then to provide some useful invest strategies based on the conc lusion above

    論文分五部分，第一部分對小公司效應的有關研究文獻進行回顧;第二部分我國股票市場的狀況、資金供給政策的變化和我國股票市場實證的相關問題進行論述;第三部分對我國股票市場的小公司效應按照四種不同的規模標準分類，每一種標準均分兩種不同的統計周期分段標準進行實證分析;第四部分小結不同的規模分類、不同統計周期分段的統計結果特徵，然後對小公司效應最明顯的規模分類標準進行多因子聯合回歸分析，這里引入了流動性風險因素，其用換手率和換手率波動指標來衡量，還分別引入了其它影響投資收益率的因子，分別是規模、流通比例。
  9. Well, then, your guest will be poisoned at the fifth remove, and die, at the end of eight or ten days, of pains in the intestines, sickness, or abscess of the pylorus. the doctors open the body and say with an air of profound learning, the subject his died of a tumor on the liver, or of typhoid fever

    於是這些梭子魚鰻魚和鯉魚便是第四輪中毒，哦，假若第二天其中的一條上了您的餐桌，那麼，您的客人就會第五輪中毒，在八至十天以後，他就會因腸胃疼痛或幽門潰爛而死。
  10. Through analyzing and researching the physiognomy map of hebei plain > the fourthly epoch map of hebei plain > engineering geology map of hebei plain, hydrogeology map of hebei plain. lithology map of the fourthly epoch and ancient watercourse map of hebei plain, achieving the fixation factors that control the arising and development of the ground fissures, such as, the earth ' s crust tress, the fourthly epoch lithology, the chancing of ground water table, active faults and ancient watercourse, and also making sure the exponents of each factors ; researching random factors, such as, precipitation. and agriculture irrigation, and making sure the exponents of each factors too

    找出了地裂縫發展的周期，對地裂縫的發展趨勢進行了預測；圈定了地裂縫發生敏感點。在分析河北平原第四紀地質圖、地貌圖、工程地質圖、水文地質圖、古河道圖基礎上，找出了河北平原地裂縫致災固定因子如：地殼應力、第四紀巖性、地下水位埋深降幅、活斷層和古河道，並確定劃分各因子指數；研究地裂縫隨機因子，如大氣降水和農業灌溉，並劃出各因子指數。
  11. This programme tells uplifting stories ranging from the struggles of top - scoring candidates in the final imperial examination to examples of filial piety between kind mothers and good sons. wong yuk man also talks about the customs and practices of the lunar new year, the origins of one hundred chinese surnames and romances between gifted scholars and attractive women. these warm tales passed from generation to generation reveal the triumph of human endeavour in chinese history

    內容有關中國歷史上為人傳頌的美談佳話，呈現歷史事件開心的一面，中國人素以"金榜題名時，洞房花燭夜"為最開心的時刻，因此首集先談金榜狀元，看中國人的讀書精神，講述中國第一個女狀元，第一個武狀元，最年老的狀元，以及文武狀元大決戰的史實第二集以母慈子孝的孝順觀念為主第三集詳談春節風俗第四集則談談百家姓的起源最後一集則以才子佳人的故事，點出中國人傳統的愛情觀，並看看才子們為博美人垂青而作的絕佳對聯。
  12. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分：第一部分研究了脈沖多普勒雷達導引頭的信號建模問題，建立了雷達信號模型，主要包括：發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式，建立了信號和數據處理模型，主要包括：加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等，然後給出了信號處理流程。
  13. Based on the above theory, the fluorinone - based azo was used to prepare the single - layer photoreceptors with fluorinone - based azo / tiopc composites in chapter iv, experimental data indicated that the photoconductivity of fluorinone - based azo / tiopc composite photoreceptors was improved in comparison with that of chlorodiane blue azo / tiopc composite photoreceptors, the amelioration was attributed to the more pronounced electron - acceptor characteristic of fluorinone - based azo, these results further confirmed the mechanism proposed for the synergetic enhancement and complementary effects in azo / tiopc composite systems

    根據激發態下部分電荷轉移機理，本論文第四章選擇具有電子受體特徵比較明顯的芴酮基偶氮制備了芴酮基偶氮/酞菁氧鈦復合單層光電導體，研究結果發現復合材料的光導性能比氯丹藍偶氮/酞菁氧鈦復合體系有所提高，進一步證實了偶氮/酞菁復合材料光導性能的協同增強效應的內在原因。
  14. As the generalization of lifting modules, in section three, the conception of x - lifting module are defined and we study the sufficient condition for the direct sum of two x - lifting modules is x - lifting module. as the corollary, the sufficient condition that the direct sum of two lifting modules is lifting module is obtained. in section four and five, the conceptions of fi - lifting modules, ssrs - modules and weak lifting modules are introduced, which also generalized the lifting modules, and we study their basic properties such as direct sum, direct summand etc

    在第二部分中，通過引入相對co - ojective模的概念，我們給出了兩個提升模的直和仍是提升模的又一個充分條件，得到了一系列與擴張模相對偶的結論，作為提升模的推廣，在第三部分中引入了x -提升模的概念，討論了兩個x -提升模的直和仍是x -提升模的充分條件，作為推論可得到兩個提升模的直和仍是提升模的充分條件，在第四部分和第五部分中分別引入了fi -提升模， ssrs -模和弱提升模的概念，從三個不同方面推廣了提升模，並討論了這些模的基本性質，如直和，直和因子等。
  15. The main factors affected the world bank loan projects in terms of loan amount and geological allocation and distribution within the sector included china ' s foreign capital utilization policy, the change of supply and demand of domestic financial resource, the world bank country assistant strategy, the world bank loan terms, etc. chapter five summarized the world bank agricultural loan projects " benefits in three aspects : economic, social and environment

    影響各階段貸款規模的主要因素包括：我國農業利用外資政策、國內農業資金的供求變化、世行貸款政策及世行貸款成本的變化等。第四章分析了我國世行農業貸款項目的分佈結構，包括地域和農業內子行業等分佈的變化及影響因素。影響我國農業項目分佈的因素主要有：世行農業貸款政策的變化、我國宏觀社會經濟政策與農業政策的變化、地區經濟發展與資金供給變化及市場等因素。
  16. In the light of present hotel e - commerce construction status and the macro - environment of china, chapter five proposes a stage - by - stage hotel e - commerce development strategy, after the comparison of the three entry approaches to the hotel e - commerce, it points out that hotels of china should make use of the good opportunity of the national golden tour project, join the tour hotel net positively and build up their own e - commerce. this will not only improve the inside flow and management of hotels, improve the service quality and working efficiency, but also can realize a global marketing and online reservation through the destination marketing system. it will enhance the whole competition level of the chinese hotel industry

    第一章導論介紹了本文的研究意義、研究視角和方法；第二章介紹了本文所研究的飯店電子商務的概念與內涵，並對國內外飯店電子商務的發展現狀進行了對比，對制約我國飯店電子商務發展的原因進行了總結；第三章從經濟學的角度，對電子商務的應用價值進行了理論上的提煉；第四章開始將電子商務引入飯店，首先分析了電子商務在飯店企業中的適用性，然後介紹了飯店中電子商務的技術構建，再從管理學角度對飯店應用電子商務所帶來的商業模式變革及其價值進行了詳細闡述；第五章針對目前我國飯店電子商務的建設現狀和宏觀環境，提出了分階段發展飯內容提要店電子商務的戰略，並對三種飯店電子商務介入途徑進行了對比，指出應該借國家金旅工程建設的良好契機，積極加入旅遊飯店網，藉助現有的電子商務平臺，建設飯店電子商務，不但可以改善飯店企業內部流程與經營管理，提高服務質量與工作效率，還可以通過目的地營銷系統，實現全球營銷與在線預訂，增強中國飯店業的整體競爭水平。
  17. On the basis of collecting and processing many datum and materials. firstly. this paper analyzes main activities and cost constitutions of each stage of the life cycle of a fcs, and lay a foundation for later analysis and evaluation of system lcc. secondly, a basis method and usage range for estimating the system lcc are introduced. a multivariate linear regression model of pcs development cost and cost driven factor is built by use of the parametric method and supplies the base of cost estimation of newly - developed systems. thirdly, combine actual examples and make statistical analysis of lcc of a certain pcs developed by our institute, predict unhappened usage and service cost with grey prediction method, obtain proportion of each constitute to the lcc. forthly, according to actual conditions, use the fuzzy theory to overall evaluate efficacy of the fcs, fifthly, combimng our actual conditions, investigate specific measures of how to implement the life cycle cost management in our institute and put forward a new conception of developing web - based flight control system lcc management information system with pdm as the platform. at last, investigate important factors such as reliability and maintainability that may affect the life cycle cost of the fcs in detail, and put forward specific methods of lowering the life cycle cost of the fcs

    論文在收集和整理大量資料的基礎上，首先深入分析了飛控系統壽命周期各階段的主要活動以及各階段的費用構成，為以後系統壽命周期費用的分析和評價奠定了基礎；其次，介紹了壽命周期費用估算的基本方法和使用范圍，並利用參數法建立了飛控系統研製費用與費用驅動因子的多元線性回歸模型，為新研系統的費用估算提供了依據；第三，結合實例對我所研製的某型飛控系統的壽命周期費用進行統計分析，運用灰色預測方法對未發生的使用及維修費用進行預測，得出了該系統的壽命周期費用以及各組成部分所佔比例；第四，根據實際情況，首次運用模糊理論對飛控系統的系統效能進行了綜合評價，構造了飛控系統系統效能模糊綜合評價模型；第五，結合我所實際，探討了如何在本單位實施加強壽命周期費用管理的具體措施，提出以pdm為平臺，開發基於web的飛控系統lcc管理信息系統的新構思；最後，對影響飛控系統壽命周期費用的重要因素如可靠性和維修性等進行了詳細地研究，提出了降低飛控系統壽命周期費用的具體方法。
  18. Chapter 4 : applying the definitions of the generalized second and fourth order moments, the beam propagation m2 - factor and the kurtosis parameter of coherent and incoherent combinations of two - dimensional off - axis elegant hermite - gaussian ( ehg ) beams are derived analytically and numerically. and the power in bucket ( pib ) is also presented numerically. our results illustrate the propagation properties of the beam through a first - order optical abcd system

    第四章：討論了相干和非相干離軸完美厄密高斯（ eleganthermitegaussian （ ehg ） ）光束組的傳輸特性，通過解析推導和數值模擬，研究了相干和非相干的離軸ehg光束組的傳輸，得出並比較了相干和非相干的離軸ehg光束組的光束質量因子、陡峭度和筒內的功率（ powerinbucket ） 。
  19. Chapter 4 : the paraxial propagation of partially coherent beams with the hermite - gaussian mode is investigated. the more generalized and simple expressions of the mean squared width and the beam quality factor of the beam with different mode order are obtained in terms of the cross - spectral density. our re - sults show that the higher order strengthens the variations of the mean beam width and the beam quality factor for partially coherent beams, and the relation between the two parameters of partially coherent beams is independent of the coherence length

    第四章：初步探索了部分相干厄米高斯光的傍軸傳輸，根據交叉光譜密度得到了其不同模階數的平均光束束寬和光束質量因子更一般的解析表達式，較高的模階數使得光束展寬得越快，光束質量變差，且這兩個光束參量的關系與部分相干厄米高斯光的相干長度無關。
  20. It is discovered that the first factor impacting wheat output in all is resources factor, including science and technology development level, agricultural resources, etc. ; the second factor is input and output factor including price and revenue ; the third factor is policy factor, including subjunctive policy variables and the price rate of industrial commodities to agricultural commodities ; the fourth factor is climate factor, especially the disaster suffered proportion

    經研究認為，影響小麥產量的第一主因子為資源（科技）因子，主要是科技發展水平、農業資源等；第二主因子為投入（產出）因子，表現為價格、收益等；第三主因子為政策因子，包括政策虛擬變量、工農業商品比價；第四主因子為氣候因子，主要為受災比重的大部分信息。
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