質心向量 的英文怎麼說

中文拼音 [zhíxīnxiàngliáng]
質心向量 英文
centroid vector
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. This testing instrument ' s successful development, not only did we know fairly well before shooting range ball firing, but it can instruct manufacture of artillery, make assure the quality of every artillery, save a great deal fund

    坦克炮管靜態定向精度測試系統的研製成功，不但可以在靶場實彈射擊前做到心中有數，而且能夠指導火炮的生產，保證每門火炮的質量，節約大量資金。
  2. By the ways of setting up community reception day, developing and training a lot of social volunteers keen in public welfare into liaisons for complaints and reports and conciliators for consumption disputes, the points of consumer complaints advocate green consumption raise the sense of self - protection of the consumers ' of all walks, carry out grassroot law popularization and legal promotion, introduce famous and top quality commodities, support the development of the enterprises in communities, make it aims to raise the people ' s sense of protecting consumers ' rights legally and to purify market environment in the communities, serve the civilized construction of communities in the city and economic construction in the communities, to reflect the nature of the people and broadness to the utmost, to focus on settlement of the people ' s actual problems, face the people and bring benefits to them, meet their need for raise living and spiritual quality, endeavor to create new situation for economic and civilization in the communities and villages and towns

    通過建立社區接待日、發展和培訓一批熱心公益事業的社會志願者為投訴舉報聯絡員、消費糾紛調解員等方式，倡導綠色消費，提高各階層廣大消費者的自我保護意識，開展基層普法工作和消費宣傳，引進名優產品，扶持社區企業的發展，以提高廣大群眾依法維權、凈化社區市場環境為目標，服務于城市社區精神文明建設和社區經濟建設，最大限度地體現其群眾性、廣泛性，把工作的著眼點放在為群眾解決實際問題上，面向群眾、造福群眾，滿足他們提高生活質量和精神文化的需要，努力開創社區、村鎮經濟建設和精神文明建設的新局面。
  3. Carry close market survey, in machine of decelerate of ceaseless and perfect combined - type solid products tastes quality while, the company is affirmatory with modular machine of decelerate of planet of gear case of machine of decelerate of hard tooth flank, large burden, high strenth and wind - force generate electricity gear case is core product, replace in order to import develop way for you, insist to specialization, homebred the way that the high - quality goods that turn makes

    通過嚴密的市場調研，在不斷完善組合式減速機實物產品質量的同時，公司確定以模塊化硬齒面減速機、大型重載齒輪箱、高強度行星減速機和風力發電齒輪箱為核心產品，以進口替代為發展方向，堅持走專業化、國產化的精品製造之路。
  4. Elementary school is an important place where children develop their own behavior and experience social life. it is the beginning of a man ' s social life where man begin to learn the elementary ability in order to join the social life and this period of time has impacted his whole life. with the development in the area of society, economic, sience, technology and the tendency that the education system goes to the direction of " quality education ", the elementary school education has attached importence to children development in aspect of interests, play, intellectiiality, personality etc. based on the interaction relationship between children behavioral development and campus physical space, campus physical space should be able to fulfill the needs for children activities and further more to create the inspiration for their potential development in behavior. for this reason, we should try to plan campus physical mechanism with consideration in children behavioral development and pursuing quality education, make a good pl an of the school environment for chlildren ' s playgame

    小學是兒童身心成長及社會生活體驗的重要場所，是一個人走入社會的開始，一個人從小學開始學到了參與人類社會活動的基本能力並影響到其以後的發展。隨著我國社會經濟、科學技術的迅速發展和教育體制向「素質教育」的轉軌，小學教育更加註重兒童興趣、游戲、認知、人格的全面發展。根據兒童行為發展和校園空間的互動關系，校園空間必須滿足兒童活動的需要，並對他們的行為產生潛在的引導力量。
  5. Personnel assessment is a measuring and appraising method to one ' s various qualities, which is basing on the basis of many subjects including psychometrics, statistics, and management and computer technology. according to the post demand and organization behavior, many methods and techniques are adopt to appraise one ' s quality comprehensively, such as knowledge standard, technical skill, ability tendency as well as personality characteristics. the purpose is to provide scientific basis for the human resource management

    人才測評是建立在心理測量學、統計學、管理學、計算機技術等多學科基礎上的，對人的各項素質進行測量和評價的方法，它根據崗位需求及組織特性，採用多種方法和技術對人的知識水平、技能狀況、能力傾向、個性特徵等多項素質進行綜合評定，為人力資源管理提供科學的參考依據。
  6. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  7. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明，預旋進氣的優點在於增強了葉片冷卻孔附近的對流換熱效果，局部努謝爾數隨預旋角的增大而有所減小；隨旋轉雷諾數的增加，不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低：當軸向中心進氣質量流量不變時，隨預旋進氣的質量流量增加，內轉靜腔室的轉盤盤面上的換熱基本沒有變化，而預旋腔室的轉盤盤面上的換熱效果增強；當預旋進氣質量流量不變時，軸向中心進氣的質量流量的改變對整個盤腔都有影響。
  8. With a lot of historical materials analysis and judgment from veteran quqiubai study experts, we find that due to his early weak physique and long - time suffering from illness, his temperament tends to be phlegmatic with some sanguineous features. such physique and temperament laid mental and physical foundations for his future development of personality. what dominates his character is the traditional features of literary men with his temperament influencing, which contain " moderate disposition ", " high responsibility " agreeable humanity "

    通過大量史料分析和瞿秋白研究資深專家評判，我們發現，瞿秋白自幼體質羸弱，長期患病，氣質主要傾向于粘液質併兼有些許多血質的特點，這種體質與氣質為其人格的發展奠定了生理和心理基礎；性格中處于首要地位的是帶有其氣質特點的傳統文人性格，而「性情平和」 、 「高度盡責」 、 「宜人性強」則是其性格中位於前列的三個主要特質。
  9. When liquid crystal ( lc ) is in smectic - a ( sa ) phase, its molecules disperse in layers ( sandwich ) and the molecular long axis tropism is in some order and the director is perpendicular to the layers

    液晶近晶a相，分子質心按層狀分佈（有層狀結構） ，分子長軸取向有序，指向矢垂直於層面。用三個序參量， ，描述。
  10. 2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads

    2 ）設計吊桿式拱架支承結構時，各部分構件應當均勻對稱布置。另外，還應注意頭道梁拱腳附近截面的尺寸擬定，克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 ）可利用調整構件質量的方法，使得結構的某些構件的地震荷載分佈均勻一些。
  11. Quality can be classified in many aspects : according to horizontal aspect, there are directional quality and energetic quality ; according to vertical aspect, there are nature quality, psychological quality and social culture quality ; according to educational periods, there are basic quality, major quality and specific quality

    素質可以多方位觀察：從橫向上劃分，有方向性素質與能量素質；從縱向分析，有自然素質、心理素質、社會文化素質。
  12. The measuring principle of brake acceleration, brake speed, height of vehicle gravity center, pitching inertia of sprung mass and efficiency of suspension anti - pitching are also theoretically discussed to provide new methods for vehicle test research

    進一步說明了該系統在車輛制動減速度、制動初速度、整車質心高度、簧上質量縱向轉動慣量及懸架抗制動點頭率的測試或計算方法。
  13. Matrices, vector and vector calculus, newtonian mechanics - single particle, oscillations, nonlinear oscillations and chaos, gravitation, some methods in the calculus of variations, hamilton ' s principles lagrangian and hamiltonian dynamics, central - force motion, dynamics of a system of particles, motion in a noninertia reference frame, dynamics of rigid body

    矩陣和向量的計算、單一質點的牛頓力學、線性與非線性的振動運動、重力、微積分上的變分法介紹、哈密頓原理、拉氏及哈氏力學、連心力下的運動、質點系的運動力學、在非慣性座標中的運動、剛體的運動。
  14. See attached ) showed respondents materialistic values ( based on richins and dawson s ( 1992 ) material values scale )

    列出受訪者的物質主義傾向（語句來自心理學家richinsanddawson （ 1992 ）設計的物質主義量表） 。
  15. Draw the gait outline of people subtraction we received, and calculate the outline centroid. then we obtain n dots at the outline, calculating the normalized distances of the dots we obtained with the centroid, and the distances constitute the input vector

    將步態檢測得到的人的剪影提取輪廓，計算輪廓質心。取得輪廓上若干點，把提取的邊界點與質心點的歸一化距離作為輸入向量。
  16. The orientation state of the molecule can be described by angular momentum eigenstate of the molecule rotating around its long axis ; the state of the molecule center - of - mass can be described by energy eigenstate of the particle in the harmonic well potential

    ）和分子質心位矢（ ? ） 。分子取向態可用分子繞長軸自轉角動量本徵態描述；分子質心態可用質點在諧振子勢阱中的能量本徵態來描述。
  17. 7 g salton, m j mcgill. introduction to modern retrieval. mcgraw - hill book company, 1983

    很顯然，中心向量的表達能力對概念索引的壓縮質量起著至關重要的作用。
  18. At last, based on vehicle side - slip angle and yaw rate, 3 different kinds of vehicle handling stability controller are designed using variable structure control with sliding mode theory. at simulink simulation flat, do simulation experiment of the concept car model with the direct yaw moment control and without control ; and which control strategy should be apply in different specifically vehicle working conditions, how the vehicle velocity, steer characteristic, control parameters etc. impact the control quality have been studied

    最後，運用滑模變結構控制理論，基於質心側偏角和橫擺角速度這兩個控制變量分別提出三種具有針對性的控制策略，在simulink模擬平臺上，對帶有汽車穩定性控制器和不帶汽車穩定性控制器的車輛模型進行了模擬研究;對不同工況下汽車穩定性控制策略的具體應用及車速、轉向特性和控制參數等因素對控製品質的影響進行了研究。
  19. From a property of the triangle a vector expression is deduced with two practical corollaries. here two proofs are presented

    摘要從三角形的一個性質中得出三質點質心滿足的一個向量表達式，並得到兩個有實用價值的推論，同時對上一性質給出兩個簡潔的證明。
  20. It has shown an evident phenomenon, called " island of fertility " in the shrubs because there were high content of medium - fine soil particles ( 0. 25 ~ 0. 02mm ) and relatively abundant soil moisture, organic matter, total n, available k and hydrolytic n on the soil surface under the shrubs, and furthermore, the content of soil moisture and nutrients gradually decreased from the center of the shrubs to its edge in this soil layer

    灌叢地表層（ 0 5cm ）土壤的中細粒子（ 0 . 25 0 . 02mm ）含量高，並且土壤水分、有機質、全氮、速效鉀和堿解氮含量相對優越， 「沃島」現象明顯，而且，由灌叢內向外，含量逐漸降低。灌叢地下層（ 20cm以下）土壤含水量從灌叢中心向邊緣逐漸增加。
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