零向量 的英文怎麼說

中文拼音 [língxiàngliáng]
零向量 英文
null vector
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 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. High accuracy kdp crystal optics is now considered as one of optics that is the most difficult to be processed for its series of disadvantageous characteristics to optics processing such as anisotropy, soft nature, easy to deliquesce, high brittleness, sensitive to temperature change, easy to crack and so on. therefore the long machining period, low percent of pass and astaticism quality has become the bottleneck of icf technology, and the surface quality control of kdp crystal processing has become the key problem to be solved in the research of icf in our country

    Kdp晶體零件是目前公認的最難加工的光學零件之一，因為kdp晶體具有各向異性、質軟、易潮解、脆性高、對溫度變化敏感和易開裂等不利於光學加工的特點，所以加工周期長、合格率低、質量不穩定成為慣性約束聚變技術的瓶頸， kdp晶體超精密加工表面質量控制問題已經成為我國慣性約束聚變研究中亟待解決的關鍵問題。
  3. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。
  4. The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion

    計算結果表明，零均值流量脈動流順流向作用力誘發反對稱角鋪設層合板的時域響應近似於具有一定帶寬的諧波運動，而這一帶寬又是由一定周期運動形成的。
  5. In the region of investigation, the water in the soil is upward and under the evaporation condition in the first zone, where intensive evaporation occurs ; the matrix potential of soil water is downward so that the water is downward in the second zone

    在研究區內，第一個分帶是水分向上運動，水分處于蒸發狀態，常年處于極度乾燥狀況；第二分帶水土勢較低，也就是第一個零通量面的下翼部分，在這一分帶中水分向下運動。
  6. In the control software, the object - oriented method is used for doing system analysis and study. furthermore, the message - driven mechanism is used in the control software research and design. the instantaneous zero vector inserting space vector pwm theory is adopted to control the permanent magnet synchronous machine as the driver motor in the control software

    軟體採用面向對象的程序設計方法對系統進行分析與研究，將消息驅動機制應用於控制軟體的設計和開發之中，在控制軟體中採用瞬時零矢量插入磁鏈軌跡法（電壓空間矢量法）來控制永磁同步電機。
  7. Case zero or more is straightforward, represented by standard homogeneous sequences : lists, arrays, vectors, or whatever the language calls them and provides

    情況（零次或多次）很簡單，可以由標準（同類）序列表示：列表、數組、向量或編程語言所稱呼和提供的任何東西。
  8. The 00 ( object - oriented ) technique of standard template library with ansi / iso c + + is used in designing the program, and the dynamic access mechanism and the startup with zero content are realized by using the specialization and inheritance object of vector template class as the data container which can change the content itself according to the number of discretization node data of a computing practicality. so, the fact that the use of the static ems memory which is not necessary is avoided

    在設計面向對象有限元程序中運用了基於ansi isoc + +標準模板庫（ stl ）的技術，以向量模板類的特化繼承對象為變容量數據容器，實現了可按計算實例的離散結點數量動態存取數據的機制和數據容器的零容量啟動，從而避免了運算時系統對靜態內存空間的超量佔用。
  9. The subimage of the lowest frequency ( ll4 ) is carried out lossless compressed coding ; 2 the subimages on diagonal direction of the highest frequency ( hhl ) is abandoned and is not carried out coding, because it is of great probability for zero, and it little affects visual

    其主要包括對最低頻子帶單獨進行無損壓縮編碼，對最高頻對角線方向子帶捨去不編碼。對其餘各子帶根據視覺特點的不同，分別分配不同的比特數並按其進行零樹量化，最後再遊程編碼。
  10. As a result, ( i ) let k ( x ) be the function assign to each point x of m the infinimum of the sectional curvatures of m at that ponit, if k ( x ) satisfies, then m is totally umbilical. ( ii ) let q ( x ) be the function assign to each point x of m the infinimum of the ricci curvatures of m at that ponit, if q ( x ) satisfies q > 1 / 4 ( n - 2 ) ( c + 4h2 ) - 1 / 4nc, then m is totally umbilical, ( iii ) let a be the square length of the second fundermental form, if satisfies, then m is totally umbilical

    ） ）中具有非零平行法平均曲率向量的緊致全實偽臍子流形m ~ n ，得到了（ ? ）如果m ~ n在其點x的截面曲率的下確界函數k （ x ）滿足條件：則m ~ n是全臍的（ ? ）如果m ~ n在其點x的ricci曲率的下確界函數q （ x ）滿足條件：則m ~ n是全臍的。 （ ? ）如果m在m中的第二基本形式h長度的平方滿足條件：則m ~ n是全臍的。
  11. The initialization method to achieve different equalizer delay local minimum is proposed for btea and se. comparison study using several uwac with different zero locations is made to demonstrate the equivalent of different initialization method for least mean square ( lms ) algorithm, btea, se and cma

    盡管常數模盲均衡演算法的初始化仍然是一個公認的未能解決的問題，但本文通過幾條不同零點位置的水聲通道，對比研究了自適應最小均方誤差演算法、倒三譜演算法、超指數演算法和常數模演算法的不同權向量初始化的等效性。
  12. In the second part, we investigate the compact submanifolds m with the parallel isoperimetric section in the real space forms rm ( c ) and prove that if there exists a parallel isoperimetric section on m, and the sectional curvature of m is always greater than zero, then m is contained in a hyper - sphere ; and get that the gauss curvature of the compact surfaces m with constant mean curvature in constant curvature space r4 ( c ) is always greater than zero, then m is a totally geodesic surface or a sphere, where an isoperimetric on m means a unit normal vector field defined globally on m with m1 ( ) = constant

    （ 2 ）研究了實空間形式r ~ m （ c ）中具有平行等參截面的緊致子流形m ，證明了具有一平行等參截面的子流形m ，如果m的截面曲率恆正，則m包含在r ~ m （ c ）的一個超球面內；對于常曲率空間及r ~ 4 （ c ）中具有常平均曲率的緊致曲面m ，如果m的高斯曲率處處大於零，則m或為r ~ m （ c ）中的全測地曲面或為一球面。這里m上的等參截面是m上整體定義的單位法向量場，使得m關於它的平均曲率m _ 1 （ ）是常數。
  13. Resets the world transform of the form to an identity 2x2 identity matrix plus a zero - vector translation and fills a rectangle with a solid red brush

    將窗體的世界變換重置為一個單位矩陣（ 2x2單位矩陣加上零向量平移） ，並用純紅色畫筆填充一個矩形。
  14. In this case, we give the formulas to caiculate first - to third - order perturbation coefficients of the eigenvalues and first - to second - order perturbation coefficients of the eigenvectors. 1n second case where the eigenprobiem for the first - order perturbation coefficients of a defective eigenvalue hajs repeated eigenvalues, we give the formulas to calculate the first - to third - order perturbation coefficients of the eigenvalues and first order perturbation coefficients of the eigenvectors. the third case is an extension of the first case, where one of the first - order perturbation coefficients of the eigenvalues associated with the lowest - order jordan blocks is zero

    第一種情形是特徵值一階攝動系數都不相同，在這種情形下，我們給出了計算特徵值1到3階攝動系數以及計算特徵向量1到2階攝動系數的計算公式；第二種情形是特徵值一階攝動系數有相等的情形，在這種情形下，我們給出了計算特徵值1到3階攝動系數以及計算特徵向量1階攝動系數的計算公式；第三種情形是第一種情形的擴展，此時對應于最低階jordan塊的特徵值一階攝動系數有一個是零。
  15. In the course of intensive evaporation, the convergent zero flux potentials may occur at depths where the main roots of most plants develop. what ' s more, the capacity of flowing water at the depth is not zero, and it equals to the water absorbed by the root of the plants

    在蒸發強烈的季節，主要植被根系發育的主要地段往往形成收斂型零通量面，水分向這些地帶匯集，匯集的水量接近根系吸收的水量。
  16. Using the voltage stability graph, the voltage stability margin can be known. the bus participation factors can be computed from the left and right eigenvectors associated with the minimum eigenvalues

    在求最小特徵值的同時，求出該最小特徵值對應的左、右特徵向量，利用左、右特徵向量來計算在最小特徵值為零時的換流母線參與因子。
  17. 5. the solution of this dissertation is different from one of the system of dual vectors in which the solution of zero eigenvalue is corresponding with saint - venant ' s solution

    與對偶向量體系採用零特徵的解對應聖維南解不同，本文採用微分運算元解法，將2維彈性力學的解進行分解。
  18. Matrix a two by two identity matrix plus a zero - translation vector

    矩陣（ 2x2單位矩陣加上零平移向量） 。
  19. In usual vector notation a horizontal wind blowing from 270 degrees would be represented by a vector with its origin at the intersection of the two horizontal axes.

    在通常的向量符號中，水平風從270吹來時，應當表示為零點在兩個水平軸的交點。
  20. Hence, the transformation matrix composed with the eigenvectors corresponding to the largest eigenvalues of the transferred between - class scatter can maximize the fisher criteria

    然後在這個零空間里，尋找對應于樣本類間離散度矩陣的較大特徵值的特徵向量作為最終降維的轉換矩陣。
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