重力矢 的英文怎麼說

中文拼音 [zhòngshǐ]
重力矢 英文
gravity vector
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數學中量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移量與車輛心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  2. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合慶市大渡口區「三木花園」開發建設項目,從地下空間靜結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應量圖、位移分布圖( ux 、 uy )以及應等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  3. Qgis handles all three - raster, vector, and database - a state of affairs that took considerable effort for programmers writing gis data programming libraries

    Qgis處理所有三種數據柵格數據、量數據和數據庫,這也是編寫gis數據編程庫的程序員的要努方向。
  4. The essay deeply analyzes the elementary theory of the developing teacher - assess system and points out its intrinsic essence and basic principle, goes into the base in theory which consists of 5 respects and finally makes the comparison between the developing teacher assess and present - day teacher assess. the developing teacher assess system, with the purpose of the promotion, is a kind of formative evaluation which is based on the aim, stresses the process and the timely feedback. it does not consider the result of the assess as the base of prize or reproach. its direction is to face the future, its aim is to promote the all - round development of all staffs, its function is centered on the lead - in, inspiration, development, and its means is the formative teacher evaluation. it pays special attention to the desire of teachers and esteem the requirement of teachers as its motive and power of the assessment. however, the present teacher assess is the closed - ending one whose feature is mainly to stress the daily performance before the evaluation and accordingly judge whether they possess the conditions of being rewarded or reproached

    其方向? ?面對未來,目的? ?促進全體教師的發展,功能? ?導向、激勵、發展為主,方式? ?形成性的教師評價制度,在啟動方式上注教師自己的成就期望,把教師的需要當作評價的動機和量。而現行的教師評價是終結性評價,其特點主要是面向過去,特別注教師在評價前的工作表現,並根據教師的工作表現,判斷他們是否已經具備獎勵或處罰的條件。為了全面了解現行教師評價制度存在的問題,做到有的放,本研究對濟南市156名高中教師進行了調查,通過分析反映出以下問題: 1 、大多數教師對教師評價認識不清,引不起全體教師的共鳴,容易走過場。
  5. It shows three different approaches to airborne gravimetry, namely scalar gravimetry, vector gravimetry and gravity gradiometry

    航空測量可分為航空標量測量、航空測量和航空梯度測量。
  6. Airborne gravimetry which is discussed in this paper denote scalar airborne gravimetry only. in order to estimate the accuracy of airborne gravity measurements, the tracks of an airborne gravity survery are generally planed to join each other

    依據測量值的類型不同,它可以分為航空標量測量和航空測量兩類,前者用以測定加速度的大小,後者不僅測定的大小,而且同時測定的方向。
  7. This is a new technology era, in enterprises competition, in some sense, is talented persons competitions

    有的放,把有效促進實際生產的提高作為各項工作考核的一個要指標。
  8. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動系統在電梯轎廂輕載上下行、載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動泵站的結構設計和參數設計,點研究了液壓動泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  9. Applications of gravity vector and tensor in the gravity field

    重力矢量及張量信息在地球場中的應用
  10. In addition, the thesis has gained a little innovative achievements which are differ from other scholars, such as classifying the carrying objects of environmental carrying capacity, establishing the index system of environmental carrying capacity, unifying dimentions, modifying the initial coefficients and making use of hierarchy and vector analytical method to analyze environmental carrying capacity quantificationally

    本文在環境承載承載對象的分類、環境承載指標體系的構建、統一量綱的方法、初始權的修正以及採用層次量分析法量化研究環境承載等方面進行了不同於其他學者的新嘗試。
  11. Thrust vectoring is the key technique for the modem fighter with agility and post - stall maneuver ability and good flight quality. and now it is the necessary technique for the fourth generation fighter and hot technique for the performance improvement for the third generation fighter

    量技術是現代戰機具有敏捷性、過失速機動能、良好的飛行品質的關鍵技術,其已成為第四代戰斗機的必備技術和第三代戰斗機改型的熱門技術,得到了越來越多的視。
  12. In the motion, the direction of angular momentum vector changes every moment, because there is a torque caused by gravity act on the wheel, then the wheel rotate itself and rotate around the fixed point

    車輪進動實驗:在進動中,角動量的量方向不斷改變,是因為受到一個由產生的矩,使車輪在自轉的同時又繞支點轉動。
  13. In this paper, the backward simulation was summarizd at home andabroad, the characteristics of shell nosing were introduced, the theory and scheme of backward simul - ation of shell nosing was constructed, the determined methods of the boundary conditions were put forward in backward simulation for the processes of shell nosing

    論述了推量控制技術是提高空空導彈性能的核心技術,介紹了常用的三類推量裝置,著討論了燃氣舵式和擾流片式推裝置的特點、設計方法、性能及其優缺點.在此基礎上,研究了適用於氣動/推量復合控制的變結構控制系統及其開關函數的切換條件和飛行控制系統框圖.最後綜述了推量裝置在第四代空空導彈上的應用情況
  14. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是通量分裂演算法.通過計算可以得出密度、速度、溫度、壓和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些要參數,通過實驗發現氬比氮工作更穩定
  15. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列,它是許多物理因子相互作用的綜合反映,蘊藏著參與運動的全部變量的痕跡,傳統的時序分析是直接從這個序列去形式地分析它的時間演變,一維分析必然喪失許多有用信息,相空間構方法的特點是把一維標量數據構造成高維量,支起狀態的幾何空間,在相空間中展示系統全部動信息。本文正是根據相空間構的特點,對響應時間序列進行分析,利用符號動學、構相空間等方法,提出一種有理論依據的系統數學模型關聯度分析方法,從而達到修正計算數學模型,使其更符合實際系統狀態的目的。
  16. However, some of face recognition problems still require further development, this is the case for problems of recognition face images conveying changes in illumination, facial expression and changes due to the time delay between the acquistion of the reference and tested face images. our main work is to analysis methods of extraction face features and contraction of classifier. the work presented in this paper is to apply self - organizing feature map and minor component to extraction features from multi - view face images, then combine those features as a new combined feature set, in order to reduce redundancy data, we apply clone algorithms to reduce data through rotation in input space

    我們改進了一種基於矩理論的識別方法,給出了計算公式和證明過程,可用於解決小規模人臉識別問題;我們將智能方法應用到人臉識別中,分別利用自組織特徵映射和次分量方法抽取人臉的整體特徵和局部特徵,依據特徵融合理論,新組合為新的復合特徵,為壓縮特徵數據,我們首次引入克隆選擇演算法自動進行特徵優化選擇,最後,利用支持量機構造多分類器進行分類識別,在不同規模人臉識別庫上模擬結果表明,該系統自適應能強,分類識別精度高,適用於大規模復雜人臉識別問題。
  17. In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv

    首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀,點說明了計算爆炸學中的可視化問題,在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上,給出了量數據文件的結構,詳細闡述了二維數據場的可視化技術,包括標量場和量場的可視化,針對原visc2d軟體的不足,給出了改進方法,提出了全幀著色映射方法和用於量數據可視化的基於噪聲著色的線積分卷積方法,以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上,針對原visc2d軟體只適用於單文檔窗口的缺點,本文利用多文檔mdi窗口,研製了標量場與量場的可視化軟體vsv ( visualizationofscalarandvector ) 。
  18. It is common that the customers that have leaved to return to the old network, which indicates that some brands of the company compete severely with each other and that the company enjoy high customer approval at network coverage and phone communication quality. in order to solve the problems above, this paper puts forward to utilize customer retention strategy in customer relation management and suggests to sz mobile company that the significance of customer retention to a company ’ s competition strength must be fully realized, that the key factors affecting customer defection must be

    針對上述問題,本文提出運用客戶關系管理理論中的客戶維系策略,建議sz移動公司:要充分認識客戶維系對企業競爭的戰略意義,點關注影響客戶流失的幾個要環節,有的放,靈活運用價格策略,以提高客戶讓渡價值為基礎,加大客戶轉移成本,努提高客戶的滿意度,最終贏得客戶忠誠,進而擴大與現有客戶的交易量,以有效的客戶維系來提高客戶的保持,使企業保持經濟效益的不斷增長,在市場競爭中獲得持久的競爭優勢,以迎接新形勢下的挑戰。
  19. And establishing the model of the thrust vectoring nozzle is the base for researching thrust vectoring technique and engine performance with vectoring nozzle, especially the integration of flight and propulsion system control ( ifpsc ). so thrust vector modeling is very important and meaningful

    量噴管是實現推量的關鍵部件,建立其數學模型是推量技術尤其是開展帶量噴管的發動機研究以及飛推一體化綜合控制研究的基礎,具有十分要的意義。
  20. Brief introduction of the subject, bcb, is given at the first part. development history of bcb is analyzed together with the current situation of domestic financial industry, with special emphasis attached to the status of hrm. the theme is thus developed that it ' s necessary to implement performance management within bcb, taking into consideration the pursuit of strategic target, the nurturing of corporate culture, the design of reasonable remuneration package, the scientific nomination and promotion of talented employees and target - oriented staff training

    本文開篇對濱海商業銀行這個研究對象進行了簡要地介紹,並結合濱海商業銀行的歷史發展進程及當前國內金融業的形勢著分析其人資源管理現狀,在此基礎上引出正題,從實施戰略目標、灌輸企業文化、設計公平合理的薪酬分配體制、科學有效地選拔調配人才、有的放地進行員工培訓開發等方面指出了濱海商業銀行進行績效管理的必要性。
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