速度勢位 的英文怎麼說
中文拼音 [sùdùshìwèi]
速度勢位
英文
velocity potential- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 勢 : 名詞1 (勢力) power; force; influence 2 (一切事物力量表現出來的趨向) momentum; tendency 3 (自...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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As the world economy goes to reginonalization, collectivization, the district economy is be coming more and more important in the world economy. the members of all the district economy organization make the inner - reginal trade, the movement of elements, the speed of economy increasing constantly because of the advantages of arens, resources and mutual supplements of economy structures, meantime, the members, who is not in the exclusivism andtrade protectionism, so china must make strong economic relationship between the countries ane areas nearby in order to develop the economy stably and taking eonomic cooperation and join the system of inter - reginal economy cooperation
隨著世界經濟呈現出區域化、集團化的趨勢,區域經濟圈在世界經濟中所佔的地位也在逐步提高,各區域經濟組織成員由於地緣、資源優勢、經濟結構互補等原因,使得區域內部的貿易、要素流動、經濟增長速度不斷增加,同時,對于區域經濟組織外的非成員則不可避免地造成排外主義及貿易保護主義。所以,對中國而言,為促進經濟的持續穩定增長,就必須加強與周邊國家及地區之間的經濟往來,同時要進行全方位、多層次的區域性經濟合作,進而參與到國際區域經濟合作的體系中。However, some markets of the automobile will come into comparative satiation before long according to this increasing currentness coupled with the limitations of the city facilities and the cost. the volume of consumerism will decline, the higher and higher quality demand of the consumers will become more important
但是,照現在的增長勢頭,加上客觀上受到城市基礎設施和使用成本的局限,也許並不需要太長的時間,局部汽車消費市場就會率先進入相對成熟期,汽車消費增長的速度就會放緩,消費者意識將更趨理性化,客戶對于全方位服務的要求也會越來越高。As automobile running velocity ' s great increase and road traveling consistency ' s rapid accretion, the happening ratio of traffic accident has ascended continuously. wholly and reliably improving automobile ' s active safety performance offers the challenge for automobile designer and researcher as an impendent and difficult task
隨著汽車行駛速度的顯著提高和道路行車密度的急劇增大,交通事故的發生率逐年呈上升趨勢,所以全方位、可靠地提高汽車的主動安全性能就成為擺在汽車設計、開發及科研人員面前一項緊迫而艱巨的任務。Compared with general aircrafts and ships, the wing - in - ground air vehicle features high aerodynamic efficiency, safety, high speed, comprehensive use and potential development toward huge vehicle of thousands tons
地效飛行器與一般的飛機和船舶相比,具有氣動效率高、安全性好、速度快、可用作多方面的執行任務的交通工具,能向幾千噸位的大型化發展等優勢特點。It is a new - style method of the drive control fed by static transducer in the control of the microcomputer, which makes the stator flux movement discrete. and position and speed outputs can be achieved on the motor axes
它是在微機的控制下由靜止變頻器供電,使同步電動機定子磁動勢離散運動,在電動機軸上得到位置和速度輸出的一種新型傳動控制方式。( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope
(三)採用模態疊加法針對爆破動力作用,進行邊坡的動力響應分析,得出了以下結論: ( 1 )振動頻率為0 . 3hz時,坡面頂部水平向加速度峰值最大;綜合考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平向加速度及位移在地形相對高差45米左右最大,而後隨相對高差的增高而減小,相對高差為100米時,水平向位移及加速度絕對值均大於坡腳; ( 3 )強迫振動段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破振速較小時,變形破壞的形式表現為坡頂表面滑塌型。The urban sustainable development occupies an important place in the national sustainable development. big and medium - sized city have many advantages in sustainable development, such as history tradition, geographical position, etc. they have stronger condense power, faster development speed, higher profit. in addition, they accord with the economic regular that optimum distribution of resources
大中城市的發展佔有歷史傳統、地理區位、人文素質等方面優勢,在客觀上具有比小城市更強的凝聚力與內在沖動,發展的速度更快、效益更高,更符合資源最優配置的經濟規律。For vehicles overtaking, with the increase of the other vehicle speed, pressure and side force of the overtaken vehicle also increase, especially for side force, its change is obvious, but with the increase of distance, the result is contrary. when the overtaken vehicle lies in front of the other, the yawing tendency is strengthened. and when vehicles stand at parity, the roll tendency is also strengthened
在超車過程中,被超車輛的車身表面壓力和受到的側向力隨著超車速度增大而加強,隨著間距增大而減弱,但增大超車速度時,側向力變化顯著;被超車車輛在超車車輛前方時橫擺趨勢增強,與超車車輛同位時側傾趨勢加大。The model includes three aspects ( 1 ) objective : aspect. regional leading industry choice ( 2 ) criterion aspect : comparative advantage criterion, industrial relationship criterion, technology advancement criterion, market potential criterion ( 3 ) norm aspect : location quotient, comparative labor productivity, comparative fund profit and tax rate, area ’ s added value proportion, industrial influence coefficient, industrial sensitivity coefficient, technology advancement speed, technology progresses contribution rate, growth rate, demand income elasticity
模型共分三層:目標層? ?區域主導產業選擇;準則層? ?比較優勢基準、產業關聯基準、技術進步基準、市場潛力基準;指標層? ?區位商、比較勞動生產率、比較資金利稅率、區內增加值比重、產業影響力系數、產業感應度系數、技術進步速度、技術進步貢獻率、增長率、需求收入彈性。Ownership - advantages, integration - ability, location advantages and speed advantages are the four dynamic reasons of transnational m & a, they lead to the emergence and quick development of transnational m & a from different and interrelated angles, just these different and interrelated dynamic relations form the dynamic model which comprehensively explains the dynamic reasons of transnational m & a
摘要所有權優勢、內部化能力、區位優勢和速度優勢是跨國並購的四大動因,它們對跨國並購的產生和迅速發展起著各自不同又相互關聯的作用,正是這種各自不同又相互關系的動態關系形成了對跨國並購進行解釋的動因模型。On the basis of all these, the paper researches that the soil moisture content reduces slowly after 7 days , so establishes a main criterion of evaluating watering feature - the increment of average soil water content in 7 15 days. according to these theories, we draw an conclusion - water is injected at the position away from seed zone 3. 5 ( cm ), 6 ( cm ) deep with vertical flat nozzle, the effect of watering is better at the operation speed of 0. 9m / s
得出7天後土壤含水量呈緩慢變化的趨勢,進而提出了以7 15天平均土壤含水量與初始含水量的差值作為評價坐水性能的指標,以此為依據得出在機組作業速度由0 . 5m / s增加到0 . 9m / s的情況下,採用豎扁(不帶翅)施水管將所需的水施到種子帶橫斷面內3 . 5cm ,深6cm的位置,坐水效果較為理想。In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code , and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated
從90年代開始, emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中,作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式,然後,採用magic程序模擬了這種波導結構中電磁波的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖,並由模擬結果計算了波包穿越勢壘的群速和能量速度。( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability
( 3 )關于中科院大氣物理研究所第三代海洋環流模式的高效并行計算? )基於對有限差分離散的分析,提出了一個面向顯式時間積分并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型,指出了網路速度與處理器速度間的落差使得採用冗餘計算取代部分通信成為一種具有相對優勢的實用技術。Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given
首先通過引入勢函數方法對土體位移進行分解,從而將土體動力平衡方程解耦,求解得到了土層的振動模態和阻抗因子,然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求解樁的動力平衡方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。The many - body potential ( eam potential ) is applied to describe the interaction of the atoms in the code. the parameters, such as position, velocity etc, are obtained by solving the newton equations of motion
它採用多體勢(嵌入原子勢)描述原子間的相互作用,通過求解牛頓運動方程來獲得原子的位置、速度等物理參量。Chapter 5 directly sets out from the green formulae of velocity potential due to the existence of lifting force, adopts an approximate kutta condition and firstly calculates the maneuvering hydrodynamics of a wigley ship with an attack angle using the present method of b spline
由於有升力的存在,第5章直接從速度勢格林公式出發,並採用了一種近似的kutta條件,首次採用b樣條邊界元方法對作斜航船武漢理} _人學博十學位論文體的操縱水動力開展了數值計豹According to temperature, pressure, and chemical evolution of mineral crystallization in the magma chamber, it is held that the magma of intrusive rocks ascended rather fast and was emplaced at the relatively shallow place
據巖漿房中礦物結晶時的溫度和壓力條件、礦物的結晶特徵及演化趨勢,推測巖漿上升速度較快,侵位較淺。A new method for stability assessment of the slope was proposed so as to give rise to reliability of the numerical simulation, which estimated the stability of the slope through the comprehensive analysis of the movement trend of velocity at the tracing points in the model, the failure zone as well as the displacement
在判斷邊坡的穩定性時提出了一種新的判斷方法,即運用邊坡移動速度的變化趨勢結合邊坡的位移量以及破壞場范圍判斷邊坡的穩定性,提高了數值計算分析的可靠性。It is forecast that chinese economy will keep its growing tends in 2006, but it will be affected by favorable balance of international trade, overproduction and farmers ' low income, therefore its growth speed will slow down from 9 % and the general price level will go down either
預計2006年,中國經濟在保持增長趨勢的前提下,將受到貿易順差、產能過剩、農民增收難度加大等不利因素的影響,經濟增長速度將會從9 %以上的高位上滑落下來,價格總水平也將降低。In allusion to the coupling influence to system accuracy, this paper brings forward using dynamic robust compensation based on decoupling control. simulation experiments to prove its validity. in allusion to the performance index of simulation table, such as low velocity, high frequency response, high accuracy, etc, this paper analyzes pid control, acceleration feedback, velocity feedback, input signal differential feedforward, and employs compound control strategy including pid control, velocity feedback, position feedback and input signal differential feedforward,
針對模擬轉臺低速、高頻響、高精度等性能指標的要求,分析了pid控制策略、加速度反饋、速度反饋、輸入信號微分前饋等控制方式,採用pid控制與速度反饋、位置反饋以及輸入信號的微分前饋結合起來的復合控制策略,充分利用反饋和前饋的優勢,對轉臺的位置伺服系統進行研究。分享友人