general dynamics 中文意思是什麼
general dynamics
解釋
通用動力 美國 航空航天-
Notwithstanding the technical complexities surrounding the dynamics of the swap market, the trends in this market do contain meaningful underlying messages that i think should be of interest to the general public. allow me to be somewhat didactic this week in offering a layperson s guide on the swap market
掉期市場變化涉及相當復雜的技術因素，但由於這些變化背後的訊息頗有意思，值得普羅市民參考，所以我決定在這里試用淺白的語言略述掉期市場的一二。 -
We could have made $50 million a year just by putting what general dynamics paid us into a money market fund.
光是拿通用動力公司付給我們的錢放到貨幣市場上去貸給人家，我們每年也能賺到五千萬美元的利益。 -
Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。 -
This article uses advanced cad / cae software - - - ug, adams and ansys to build the integrated system platform based on theory of dynamics of multibody system for the purpose of resolving the engineering problems of general retarder design, and analyses the performance of xw - 8175 - 11 planet - cycloid retarder
本論文針對行星齒輪減速機構設計中存在的問題並根據實際工程需要，在多體動力學理論基礎上，利用cad cae軟體ug 、 adams以及ansys構建了集成的系統平臺，並在此基礎上，對xw - 8175 -型擺線針輪減速機構進行了性能模擬。 -
Based on the general mathematical models of multibody system dynamics such as the kinematics models of multibody dynamical systems, the ordinary differential equation models and the differential algebraic equation models of dynamics, general forms of the sensitivity equations of the systems are deduced by using direct differentiation method and adjoint variable method
基於通用的多體機械繫統運動學數學模型，常微分方程形式的動力學數學模型、微分/代數方程形式的動力學數學模型分別採用直接微分方法、伴隨變量方法推導出了系統的狀態靈敏度方程的通用形式。對于微分/代數形式的數學模型 -
The first of class, the seawolf ssn21, was ordered from the electric boat division of general dynamics, connecticut, in january 1989 and commissioned in july 1997
「海狼」級攻擊核潛艇代號為ssn21型，是美國海軍最先進的攻擊核潛艇，也是二十一世紀世界上最先進的攻擊核潛艇。 -
It is derived the hamiltonian for the interaction of a - type three - level atom with a two - mode quantum cavity field from the general interaction hamiltonian between a multi - level atom and a multi - mode radiation field, and reduce it into an effective two - mode raman - coupled mode under large detuning condition. it is proposed a modified effective hamiltonian for the two - mode raman - coupled model. it is found the time - dependent state vectors and present validity conditions for the involved interaction hamiltonians. it is shown that in the study of the two - mode raman - coupled model it is not enough to retain only the usually used effective hamiltonian, one must also take into account the ac stark shift of the atomic levels ( at least one of the levels ). finally, it is studied the atomic dynamics in the interaction of a - type three - level atom with a two - mode quantum cavity field and in the two - mode raman - coupled model. it is found that the number of collapse - revivals, the collapse time and the revival time show new characteristics
從多能級原子與多模光場的相互作用哈密頓量出發，導出了型三能級原子與雙模光場的相互作用哈密頓量.在大失諧條件下將其化成等效的二能級形式雙模喇曼耦合模型.提出了該模型的一個改進型等效哈密頓量.該哈密頓量由兩部分構成：一部為通常所謂的等效哈密頓量，另一部分描述原子能級的動態斯塔克移動.研究表明，在雙模喇曼耦合模型的研究中，只考慮前者是不夠的，還必須考慮後者.最後，我們研究了該系統中原子的動力學行為，發現崩塌-復甦的數目、崩塌時間和復甦時間均呈現新的特性 -
And the straight paths go athwart have strengthened the embodiment of dynamics in general design, connect the sides and corners of the garden with the nearest distance, form a dynamic design
而筆直斜穿的道路則在整體設計上增強了力度的體現，並以最近的距離聯系著園區的邊與角，形成無所不至的動線規劃 -
Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model
本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。 -
Being sustainable both on spatial and temporal dimensions, sustainable land use system is a typically complicated system composed by natural, social and economical components, which has special attributes of systematic complication, structural openness, spatio - temporal dynamics and multi - objects. driving force - state - response analysis method is useful to probe into multi - act and dynamics of its components. sustainability assessment is the core to sustainable land use study. in this paper, the authors apply driving force - state - response analysis method to construct assessing indicator system, which can be classified into status quo and response indicators, composed by natural, social, economical and technical aspects. then the authors design assessing process on sustainable land use. at last, the indicator system and process are applied in tangshan region from 1991 to 1999. the results show that the general sustainable degree of land use in the study case has been rising, which is resulted from great economic growth and natural cost
以"驅動力-狀態-響應"模型為基礎，從狀態指標和響應指標兩種類型，自然社會經濟技術四個方面構建了土地利用可持續性評價指標體系和評價過程，並且應用於唐山地區1991 - 1999年土地利用持續性評價，結果發現：雖然近十年來唐山地區土地利用持續性在升高，但它是建立在經濟快速發展和付出生態環境代價基礎上的。 -
First, a simple model that a cyclinder with convex ring pulling in a tube is constructed using the ansys software, by computing and analysis of three different models, a general method can be get to resolve this sort of problems. then a complete projectile 2d model is established using autocad and converted to ansys through. sat data format, then a 3d solid model and finite element model is set up, and the properties are also defined in ansys. the next step is the dynamics analysis of the driver and body in the process
通過研究簡化模型? ?帶凸緣的柱體在圓筒中擠進過程，共對三個模型? ?二維擠進模型、凸緣在光膛圓筒中擠進的三維模型、凸緣在線膛圓筒中擠進的三維模型進行有限元分析，得到一個對此類問題的通用分析方法；然後，運用autocad建立實際彈丸的二維模型，通過sat介面程序導入ansys ，在ansys中進行前處理，包括生成彈丸實體、建立線膛實體、劃分網格，設定單元、材料、接觸的類型及其它參數，生成ls - dyna的 -
A new step - by - step integral procedure of dynamics equations is presented. the general expression of the solution of dynamics equations is obtained on the basis of the homogenous analytical solutions of dynamics equations and duhamel integration. the explicit analytical integration algorithm, which is characterized by fourth - order accuracy, self - starting and self - correcting, is employed to discretize the equivalent load terms
另外提出了求解動力學方程的一個新型的逐步積分法，基於線性動力學方程的解析齊次解及duhamel積分，構造出適用於非線性動力學方程解的一般積分表達式，對包含非線性項的非齊次項採用插值近似的方法，得到一個單步顯式、自起步、預測校正具有四階精度的解析逐步積分演算法。 -
With such a character and faith, she has finally become the first female general of the china air dynamics research base, whose name is liu changxiu
憑著這樣好爭的性格與信念，她最終成為我國空氣動力研究基地首位科技女將軍她的名字叫劉長秀。 -
In order to understand the key parameter, which influence the vibration isolation efficiency of floating slab track and provide theoretical support for simulation, we analyze the vibration isolation principle of floating slab track. coupling dynamics of vehicle - rail - floating slab - foundation system is calculated using the general software - ansys. the dynamic performances of the floating slab and the efficiencies of the vibration isolation are analyzed in detail
建立了車輛?鋼軌?浮置板?地基二維有限元模型，並採用有限元計算軟體ansys ，對整個耦合系統進行了不同工況下的動力學計算模擬，詳細分析了浮置板式軌道結構的動力學性能和浮置板式軌道結構的隔振效果。 -
High precision orbit propagation is the basis of the study of orbital dynamics, and the application of general engineering simulation platform, such as matrixx, matlab, will increase the efficiency and reliability of simulation
衛星精密軌道預報是衛星動力學研究的基礎，而成熟的通用工程模擬平臺，如matrixx 、 matlab的應用將使模擬計算的效率與可靠性提高。 -
Focused on assessment & compensation for oil pollution damage from ships in dalian bay, the dissertation first makes a deep analysis of the inflection factors to oil pollution damage and then evaluates respective mathematical model, such as measurement of oil property, general models for diffuse and volatilization of such substances according to the numerical simulation of the tidal dynamics in the water of dalian bay. based on the corresponding oil pollution regulations, the scope and judgment criteria of oil pollution compensation are laid out. respective compensation measurement methods are developed after those of more mature international practice
文中剖析溢油事故可能造成損害程度大小的影響因素，包括建立石油化學數據庫並將油品特性進行量化及通過對大連灣潮流和潮位的計算，建立溢油擴散、揮發模型等；依據現行油污賠償法規，確定油污損害應予賠償的范圍和判定標準；吸收和借鑒國際上相對成熟的評估技術，建立各項損害的賠償計算方法；運用visualbasic6 . 0對損害評估部分進行了計算機編程實現。 -
The cause ( s ) and characteristics of vehicle rollover accident are analyzed, the general theory and method are given on reconstruction analysis of this kind of accident. the ‘ three phases ’ theory of vehicle rollover reconstruction analysis is put forward, which are pre - trip phrase, trip phrase and post - trip phrase, adopting relevant theory models, experiential formula and trajectory model in reconstruction analysis. on the basis of certain assumptions, several dynamics and kinematics models describing the vehicle rollover process are established, and the functions between cvs and impact time, impact height or other parameters are gained. then the
基於以上研究背景和社會需求，本文在國內外現有研究成果的基礎上，對汽車滾翻事故再現分析的一般理論和方法進行研究，擬定應用於實際汽車滾翻事故再現分析的一般流程、演算法和規則，建立了滾翻軌跡模型，開發了滾翻事故再現分析模塊（ car - rar ） 。 -
In the introduction, we briefly introduce the history of symbolic dynamics development, the research of the symbolic dynamical system of an finite number of sym - bols, the research of the general symbolic dynamical system, the research of chaotic properties of shift and subshift of symbolic dynamical system and lists main conclusions in the paper
在引言部分，簡要介紹了符號動力學發展的歷史；有限個符號的符號動力系統與一般符號動力系統研究；符號動力系統移位及子移位的渾沌性質研究，並敘述了本文的主要結論。 -
General dynamics ' net slipped as charges in its shipbuilding operation helped offset strength in its gulfstream commercial - aviation unit. overall sales soared 35 %
一般的動力學的在它的造船操作作為費用被滑動了的網路在它的海灣溪流商業航空單位幫助了偏移量力量。全面的出售上漲了35 % 。 -
Based on the potential flow theory and the general dynamics principle, two kinds of formula for calculating hydrodynamic forces and moments, which are in lagrangian form and bernoulli form, and a lot of corresponding numerical results using bernoulli formula are given
根據勢流理論計算流場，給出了受力計算的lagrange公式、 bernoulli公式，以及使用bernoulli公式計算的結果。物面網格離散時，著重考慮並分析了尾部平端面和首尾不對稱性這些因素對受力計算精度的影響。
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