共變向量 的英文怎麼說

中文拼音 [gòngbiànxiàngliáng]
共變向量 英文
covariant vector
  • 共 : 共動詞[書面語]1. （圍繞） surround2. （兩手合圍） span with the hand
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. In reference to the practical changes in the deregulated markets of the advanced countries in the area of europe, america and asia and the countermeasures of the countries, combing with the problems encountered in the marketing and sales practice of the panzhihua brach of sinopec, the paper applies the swot analysis method, rationally analyzes the outside environment and inside conditions. according to the characterizes of gasoline resources, and the market situation after it transformed from the monopolistic style of planning economy to the monopolistic competition style, the paper also analyze the strengths and weakness of the industry brought by the forthcoming event of the permission of the wholesales market of gasoline. based on the above analysis, the paper posits the marketing strategic objectives and measures as follows : ensuring the management of suppliers, adding the retail and direct sales network, improving operating qualities, making the customer relationship management and realizing the multi - benefits of company and customers

    本文在營銷理論的基礎上，通過親身經歷，調查了解，深入研究了成品油在國際、國內市場中過去、現在的市場狀況和發展歷程，參考國際上歐美及亞洲發達國家先期放開成品油管制後市場的實際變化和應對措施，以及結合中石化攀枝花公司營銷工作中存在的問題，理性分析營銷外部環境和內部條件，運用swot分析法，根據成品油能源特點，就成品油市場從計劃經濟的壟斷形式轉向目前國際國內市場競爭的壟斷性競爭的形式后，對成品油批發市場即將準入后的優劣、利弊進行了分析和研究，提出了「作好供應商管理，增加零售和直銷網路、提高經營質量，充分做好客戶關系管理，實現公司和客戶共同成長」的營銷戰略目標和戰略措施。
  2. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  3. On the basis of all the conclusions above, the thesis preparatorily advances that there is another factor of link transaction behavior affecting vertical relationship, and gives primary definition of relative concepts. the thesis advances that link transaction behavior can be classified into priority transaction, information informing, risk co - affording. in order to form effective vertical transaction relationship, the transaction parties will positively process link transation behavior, including transforming incontractible variants into contractible variants or analogously contractible variants

    在此基礎上，本論文初步提出影響縱向關系的因素應該包括關系交易行為這一重要變量，並對關系交易行為和關系交易行為的相關概念作出初步的定義，初步提出企業的關系交易行為可以分為交易優先、信息告知、風險共擔三類，並在此基礎上初步分析其中的機理，並根據分析結果提出，當事人交易的過程是不斷提升關系的強度的過程，為了形成有效的縱向交易行為，當事人會主動進行信息告知等關系交易行為，通過把不可寫入合同的變量轉化為可以寫入合同或者可證實的變量來獲得有效交易。
  4. Covariant vector function

    共變向量函數
  5. By means of theory analysis and empirical study, case study and questionnaire statistic, the paper has drew following conclusions : 1. fishery industrialization, including vertical connections, culturist organizations and public service systems provide a carrier for the food safety organization transform

    研究採用理論分析和實證考察相結合，案例調查和問卷統計相結合的方法，得出主要結論如下： 1 、漁業產業化，包括其中的產業內縱向聯系、養殖戶組織化和公共服務體系完善等，可以為食品質量安全的產業組織變遷提供現實載體。
  6. 4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction

    構建宿主菌基因精確定位突變株31bk （ arod : : arobkan ~ r ）為了改變代謝途徑脫氫奎尼酸（ dhq ）分支點上的代謝流量，使之充分流向目的產物奎尼酸合成方向，利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體，使dhq脫水酶（ dhqase ）失活，阻斷了碳代謝流流向芳香氨基酸生成的方向，同時用同源重組的方法將arob基因定位整合入染色體上，解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響，並減輕代謝負擔。
  7. The preparation of gold electrode of double layers and the spectroscopic and electrochemical studies when it was incubated with bacteria : cv measurement demonstrated that the defect content within the double layer gradually decreased during the incubation, sers showed that the film structure became order during the incubation and the bands of double and triple bonds shifted toward high wavenumber, too

    循環伏安測試表明在雙分子層與細菌培養的過程中，雙分子中層中的的缺陷數量逐漸減少。表面增強拉曼光譜證實在雙分子層與細菌培養的過程中，雙分子中層的膜結構變得更加有序，且其雙鍵與三鍵的共振峰也同時向高波數的方向移動。
  8. In chapter four, using the quantum statistics method we study the cohesion of a metallic nanowire irradiated under electromagnetic wave based on the results in chapter three. we obtain that the cohesion force is effected notably only when the frequency of electromagnetic field is at the vicinity of the energy span of the lateral levels of the nanowire

    第四章以第三章的工作為基礎，用量子統計的方法，分析了太赫茲電磁波部分輻照對金屬納米線內聚力的影響，得到了只有當外場頻率與橫向模式共振時內聚力才有顯著變化的結論。
  9. Therefore, the paper expanded eles, namely, turned the above assumption into the following : all the consumers in the same income level have the identical marginal budget share or the identical marginal propensity to consume when consuming certain goods, but consumers in different income level have not and the paper, by defining and introducing the nominal variable of income level - a variable of the marginal propensity to consume only resulting from the change of consumers " ( rural residents ) income level, with which the standard income level was compared, adopted to expand again the extended eles model, exploited the surveying household data in 2001 by liaoning statistics bureau, caculated ( 1 ) the marginal propensity to consume, real expenditure structure, real propensity to consume and marginal budget share of main consumer goods of rural residents in different income levels ; ( 2 ) the proportion of the basic demand quantity, the basic demand structure, the basic demand of main consumer goods in real expenditure of livelihood consumption ; ( 3 ) the income elasticity of demand, the expenditure elasticity of consumption, the price elasticity of demand and the cross price elasticity of demand of main consumer goods ; finally, came the following conclusions : 1

    故本論文採用對擴展的線性支出系統進行再擴展，即將上述假定改為： 「對某類消費品的邊際預算份額或邊際消費傾向，對于同一收入等級的所有消費者均相同，但對于不同收入等級的消費者則有可能不同。 」並通過定義和在模型中引入收入等級虛變量，藉以代表與基準的收入等級相比，消費者（農民）僅僅由於其所處的收入等級變化所導致的邊際消費傾向的變化量。本論文採用對擴展的eles模型的再擴展，利用遼寧省統計局農調總隊的2001年農村住戶調查分戶資料（共1890戶） ，計算了（ 1 ）不同收入等級農民對各主要類型消費品的邊際消費傾向、實際支出結構、實際消費傾向、邊際預算份額； （ 2 ）不同收入等級農民對各主要類型消費品的基本需求量、基本需求結構、基本需求占實際生活消費支出比重； （ 3 ）不同收入等級農民對各主要類摘要型消費品的需求收入彈性、消費支出彈性、需求自價格彈性、需求的交叉價格彈性。
  10. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素（ ce 、 la 、 y 、 dy ） 、能量（超聲波、磁場）介入后，沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化，表現在：鍍液的陰極極化過電位和極化度降低，沉積速度提高；鍍層的結合力、表面質量改善；鍍層中過渡族元素的含量增加，輕元素硼的含量降低，同時證實了稀土元素與過渡族元素共沉積的可能性；鍍層的顯微結構由非晶態向微晶和多晶態轉變；鍍層的顯微硬度與耐磨性提高，力學性能優化；鍍層的矯頑力降低；磁導率提高；鍍層的磁化強度在能量（超聲波、磁場）和輕稀土元素ce 、 la介入后提高，重稀土元素y介入后降低。
  11. Covariant analytic vector

    共變解析向量
  12. Covariant base vectors

    共變基向量
  13. The governing equations of the problem are derived in hamiltonian form by using variable substitution and variational principle. then the methods of separation of variables and conjugate symplectic eigenfunction expansion are developed to solve the equations of plate bending problem. the result can be derived by analytical method

    在平面彈性問題中，由變量代換及變分原理，方程可導向哈密頓體系，從而通過分離變量法及共軛辛本徵函數向量展開法，以解析的方法來進行求解。
  14. Since the reform, budget accounting system have been revised many times however, with the development of socialist market economy system, the budget accounting environment is changing rapidly, government turn to offer public product and adjust market ; the range of the financial revenue and expenditure are diversified, the user of governmental accounting information expand constantly, the requisition of the governmental accounting information improves etc. it is inevitable for the revolution of budget accounting to enhance our government performance and establish modern government managerial system. we should draw lessons from international reform experiences and take the china - style road - the " stage - by - stage - going " way of the reformation

    但是，隨著社會主義市場經濟體制的發展，我國預算會計環境正在發生重要的變化：政府和市場在社會經濟運行中的分工逐步明晰；政府職能重點轉向公共品提供和宏觀調控；財政收支的內容和形式更加多樣化；近年實行的部門預算編制、國庫集中收付制度和政府采購制度等預算管理制度方面的改革；事業單位資金來源渠道多元化和經營性業務的增加；政府會計信息使用者的范圍不斷擴大，對政府會計信息的內容和質量的要求不斷提高等。
  15. This article tinselly explains the connotation of commercial bank " s system, describes marxian and the new system economics, puts forwards the definition essential function and target of the commercial bank " s system on the theory of the system and its vicissitude ; secondly, summarizes of historic analysis puts forwards the features of both system and theory for the three period in the historic vicissitude, and the instructive node of vicesitudesystem of the theory of it synthetic bank system " s vicissitude with the force of market and nation ; thirdly, illustrates the identity and difference of the commercial bank " s system through the horizontal analysis for its system ; finally, according to china " s reality, analyses the processes of the chinese commercial bank " s system, the synthetic tendency of the vicissitude of realistic bank " s system and the reason for synthesis, puts forwards it synthetic mode of the chinese commercial bank ' s system and the specific request and content of the creation of commercial bank " s system, providing the reference for the reform of the chinese commercial bank " s system

    其次，用歷史的分析方法對商業銀行制度進行了總結，論述了商業銀行制度歷史變遷中三個階段的制度特徵及理論特徵，提出了由市場力量和國家力量共同主導下的綜合銀行制度變遷的理論特徵及引導性制度變遷模式。再次對商業銀行制度做了橫向的比較分析，論述了商業銀行制度的趨同性和差異性。最後根據中國的實際情況，分析了中國商業銀行制度的歷史變遷過程和現實銀行制度變遷的綜合化趨向及動因，提出了中國商業銀行制度綜合化的模式及商業銀行制度的具體要求和內容，為中國的商業銀行制度改革提供參考。
  16. In this case i defined a variable called wps. home to point to the shared library directory for the local websphere portal installation

    在本例中，我定義了一個名為wps . home的變量，讓它指向本地websphere portal安裝的共享庫目錄：
  17. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點，全場準確測量了液晶空間光調制器的位相調制特性，並且利用它的位相調制特性實現了臺階位相板畸變波前的補償，由此證明了液晶空間光調制器可用於控制波前畸變。
  18. Forever the without limits innovation spirit because this spirit is precisely numerical code rationality choice multiplication, the positive upward values centralism manifests, is precisely develops the establishment in take the public ownership system as the main body, in diversified economies ingredient communal development foundation socialist market economy objective need, is precisely china s enterprise dares to greet the economical globalization and the knowledge economy flood tide challenge need, is precisely any enterprise unceasingly through the system innovation, the organization innovation, the technical innovation, the pursue enterprise incessant realization great span, jumps the type, continues the need to develop, also will be unceasingly develops the enterprise general staffs to innovate spiritual, the offer spirit, the realistic spirit, the casting enterprise soul basis is at, in this kind forever under under the without limits innovation spirit guidance, the drive the enterprise culture will be able to transform the giant material force, the enterprise culture can become the modern business management the scientific idea, the surmounting enterprise life cycle infinite power

    -追求卓越永無止境永無止境的創新精神，因為這一精神正是積極向上的價值觀的集中體現，正是發展建立在以公有制為主體，多種經濟成份共同發展基礎上社會主義市場經濟的客觀需要，正是中國的企業敢於迎接經濟全球化和知識經濟大潮挑戰的需要，正是任何一個企業不斷通過制度創新組織創新技術創新追求企業不斷實現大跨度跳躍式持續發展的需要，也是不斷發展企業廣大員工創新精神奉獻精神求實精神鑄造企業靈魂的根本所在，在這種永無止境的創新精神引導下激勵下企業文化才能轉變成巨大的物質力量，企業文化才能成為現代企業管理的科學理念，超越企業生命周期的無窮動力。
  19. In the presence of impulsive noise, the two received signals are combinated, so the estimated impulse response of the channel is the eigenvector of its covariation matrix corresponding to the smallest eigenvalue, which can be realized adaptively using generalization of the normalized least mean - norm ( generalized nlmp ) algorithm

    該演算法在脈沖噪聲環境下，組合兩個接收信號，使其共變矩陣最小特徵值對應的特徵向量為通道的估計，並基於廣義歸一化最小平均范數（廣義nlmp ）方法自適應得到該特徵向量，從而獲得時延估計。
  20. The method has special obvious advantages to diagnosis the faults when several faults exist simultaneously. the paper constructs a three - layer forward neural network to diagnosis the fault and trains the network with characteristic eigenvectors extracted through the wavelet packet analysis, when training the net using the method of adding inertia item and the bp algorithm of conjugate gradient method, at the same time adapt the initial data of the network through the test

    同時，文中還構造了三層的前向神經網路，以小波包分析提取的故障特徵向量作為網路的訓練樣本數據，採用加慣性因子、共軛梯度法和迭代過程中改變學習率的反向傳播演算法來對神經網路進行訓練，並採用試驗的方法調整神經網路的初始值。
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