方向轉動界 的英文怎麼說
中文拼音 [fāngxiàngzhuǎndòngjiè]
方向轉動界
英文
limit of traverse-
Product introduction ： " beifang neoplan " luxury coach series is designed and manufactured after introducing the whole set of technologies, key equipments and fixtures of the neoplan company of germany. with 12meters long prestressed envelope body, with monocoque and space frame, rear - mounted water - cooled engine, air spring suspension, elevating coach body, separate suspension fore axle, 2f power - assisted steering system, 11m3 luggage compartment, external swinging automatic door, warm and cool air conditioner, large complete rubber - laminated windshield, abs system
產品簡介： 「北方-尼奧普蘭」系列豪華客車是我廠引進德國尼奧普蘭公司全部技術關鍵設備，夾具設計製造的具有世界先進水平的系列豪華客車，具有12米長預應力蒙皮車身，無大樑全承載式車架，後置水冷發動機，空氣彈簧懸掛可升降式車身，獨立懸掛前橋， 2f助力轉向系統， 11立方米行李倉，外擺式自動車門，冷暖氣空調，大型全幅夾膠前風擋玻璃， abs系統。The astri performs high quality r d for technology transfers to industry, develops technical human resources and acts as a focal point that brings together industry and university r d assets to enhance hong kongs technological competitiveness
香港應用科技研究院進行高質素的研發工作，積極把科研成果轉移給產業界，同時培養優秀的科技人才，並協調業界及學術界等各方面的科研資源，從而為香港的競爭力帶來不斷向上提升的動力。In this article the author elaborates his experience in track and field teaching and extra - curricular training for many years and analyzes the definition and harm of " early turning the shoulder ", and then proposes several teaching methods for control and correction of back slide of shot put in turning the shoulder movement and matters
就多年來田徑教學和業余田徑訓練的經驗，闡述和分析了「過早轉肩」的界定和危害，並提出了幾點控制和糾正背向滑步推鉛球「欲速則不達」的轉肩動作的教學方法及注意事項。Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity
利用sndm ，從純電學的角度觀察了plct薄膜中的電疇動態反轉過程，由電疇橫向擴張的移動速度的降低，發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度，得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象，結果表明空間電荷是發生極化弛豫的主要原因。This returning on one side provides students with complex and open problems of the real life world, on the other side, no longer only emphasizes indirect experience but begins to emphasize the dynamic balance between indirect and dire ct experiences
其回歸主要表現在兩個方面，其一是向學生提供關于現實世界的、復雜且開放的問題，其二是由重間接經驗轉向實現間接經驗與直接經驗的動態平衡。The author analyses and studies the development and present situations of chinese foreign trade after china ' s reform and opening - up, changes and characteristics of import and export structure, factors of fast improvement of export structure and problems and conflicts of export structural changes etc. author also rationally considers several relations in export structure and draws the basic conclusion after analyzing and researching : ( 1 ) china has become a big country of international trade but not a powerful country and there is still a long way to catch up with other powerful countries of international trade. ( 2 ) chinese export structure has been in a important adjusting moment in which the direction of chinese export trade development is to preserve the current dimension of non - professional labor - dense products as well as put the main point of further extension on capital - dense, technology - dense and knowledge - dense products. ( 3 ) to realize the upgrade of export structure in china, we must emphasize on orientation of competitive advantage, and convert potential comparative advantage into practical competitive one
通過分析和研究得出的基本結論是： （ 1 ）中國已發展成為世界貿易大國，但是還算不上世界貿易強國，與世界貿易強國相比，尚有很大差距，要成為世界貿易強國，還有很長的路要走； （ 2 ）中國出口商品結構已進入到一個大調整階段，今後中國商品出口貿易的發展方向應該是在保持非熟練勞動密集型產品出口已有規模的同時，將商品出口貿易進一步擴張的著眼點置於資本、技術與知識密集型產品上； （ 3 ）要實現中國出口商品結構的升級，必須以競爭優勢為導向，將潛在的比較優勢轉化為現實的競爭優勢。This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision
這其中的交流步進控制理論打破了傳統的增量運動控制思想，打破了連續與離散，速度與位置，旋轉和步進的嚴格界限，以定、轉子磁場空間矢量為主要控制目標，將增量控制與運動控制有機的結合起來，使增量控制向大容量、高效率、高精度方向發展。When a man comes into the oil storehouse from outside through storehouse ' s edge, the leak cable will alarm. while accepting the alarming signal, the computer immediately controls vidicon to aim at the alarming field and go along with the inspection and recognition of active target. after finding the target, it goes into the state of automatic track
當有人從外面跨過庫區邊界進入油庫區時，泄露電纜檢測到信號並報警，計算機接到報警信號后，立即控制攝像機對準報警地段進行攝像（即圖像採集） ，並進行運動目標的檢測與識別，當檢測到運動目標后，就進入自動跟蹤狀態，由計算機根據目標的運動方向，自動控制攝像機的轉動，將運動目標鎖定在視野中進行自動跟蹤。The assignment of the load of the steam turbine can be solved by the reverse follow, the assignment of the load of the boiler can be solved by dsfd
根據兩種規劃問題的特點，汽輪機系統負荷分配問題採用分枝限界反向跟蹤的優化演算法來求解，鍋爐系統負荷分配問題採用轉動坐標軸直接搜索可行方向法（ dsfd法）來求解。By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt
系統軟體中，提出了採用動態確定邊界條件，通過對離散采樣點的三次樣條插值曲線的擬合恢復束斑x和y方向的輪廓，本系統既能準確客觀地描述電子束輪廓，又能夠準確快速地測量電子束著屏誤差等多種參數，為cpt電子槍和偏轉系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。The difference between these two algorithms is that the former uses sub - domain as the basic unit of task to be allocated and the latter uses the node - super - row as the basic unit of task. ( 6 ) the original problem is transformed into transformed domain by using laplace transform method. by the parallelization of the bem in the transformed domain, the parallelization of the elasto - dynamic be analysis is implemented by introducing the time related fimdamental solution, the time dependency is released from the formation of time - domain be equations
（ 6 ）通過拉氏積分變換法將彈性動力問題轉換至變換域，通過變換域上邊界元的分佈并行處理實現了彈性動力邊界元分析的并行化；引入與時間有關的基本解，解除了時域邊界元系統方程組形成階段的時間順序依賴性，通過矩陣向量運算的分佈并行處理實現方程組時間步進求解方法的并行化，這種方法是一種部分時間并行演算法。The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments
對歧管式單通道熱沉流動特性的研究結果表明，微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外，選用十二烷基硫酸鈉（ sodiumdodecylsulphate ， sds ）以及烷基多糖苷（ alkylpolyglycoside ， apg ）作為減阻添加劑，研究了表面活性劑添加對微通道流動特性的影響。Engine is the main motive power for its efficient and easy energy using. in recent years, the research on clean alternative fuels is becoming an important direction of engine due to the shortage of the global petroleum resource and serious air pollution
發動機以其方便、高效的能源利用方式在世界原動力機上占據了絕大部分，但是隨著能源供應結構的改變以及大氣污染的加劇，人們對發動機的研究開始轉向廉價、潔凈的代用燃料。Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions
基於飽和土的biot波動理論，通過fouricr變換，將橫觀各向同性飽和土三維非軸對稱波動方程轉化為一組一階常微分方程組，再經har止el變換，建立問題的狀態方程，求解狀態方程得到傳遞矩陣;利用傳遞矩陣，結合飽和層狀地基的邊界條件、排水條件及層間接觸和連續條件，首次給出層狀橫觀各向同性飽和地基在任意地展力作用下的三維非軸對稱動力響應的解析解。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著，建立了和研究了二維二速的主幹道模型，該模型模擬了城市交通中一條主幹道，多條支道的交通情況，在幹道與支道的交叉路口設置紅綠燈，車輛在運行中可以有對突發事件發生反應的剎車，在發生堵塞時，路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生，給出了車輛演化的演化方程，並通過計算機模擬，研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化，並分析在各種情況下交通狀況的成因，提出改善交通的有效措施。最後，在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下，將此法推廣到對二維bml模型的模擬上，得到了與用以往方法的研究結果相類似的速度-密度圖線，且車輛從運動相到堵塞相轉變的上下臨界密度是一致的，同時分別給出車輛在處于暢通相和堵塞相時， boltzmann函數在格子上的分佈情況，進一步驗證了此法的可行性。Meanwhile, numerical computation of aerodynamics is widely applied with the progress of computer, large quantities of relative paper has been presented. but at present, the relative literature about turbulence characteristics of plural vehicles running in row and passing maneuvers is very limited. pointing to the above difficulty, in this paper, numerical computation of turbulent - velocity field is studied while a sedan exceeding a tractor - trailer truck
本論文在對某國產轎車單車外流場的模擬地面邊界層、車輪轉動和側向風載荷研究基礎上，以及兩輛轎車並列行駛、同向超車的穩態研究的基礎上，選取了兩種笛卡爾網格方案和四面體混合網格方案，開展某國產轎車超過某大型運輸車的數值模擬研究。Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused
最後，應用ahrens的電磁軸承簡化模型，從maxwell方程出發推導了應用於本文所述的被動式電磁阻尼器的波動方程，並用傅立葉級數把矩形磁場展開的諧變磁場作為磁場的邊界條件，通過求解波動方程得到磁場的解析解，從而計算了阻尼器對轉子的電磁力和由渦流引起的切向力產生的阻尼器附加功耗。The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %
本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上，長度80mm以上的平界面無核心nd : cngg單晶，確定了晶體結構和物相，測量了晶體的光譜性能，晶體消光比達到34db ，晶體生長技術有新的突破，實現了連續激光運轉，用單支807nm半導體激光二極體端面泵浦該晶體片子，在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出，斜效率達22 . 3 % 。In order to separate the disturbance signal of the external vibration from dynamic balance measuring signal of the precision centrifuge, this paper analyzes the measuring signal of dynamic balance measurement system of the precision centrifuge ( the inertial navigation test equipment ), the rotary center of the rotor acted by the static unbalance and the couple unbalance is studied respectively, the horizontal external vibration from the foundation and the effects of angle vibration on the dynamic measurement are studied respectively
為從精密離心機動平衡測試信號中分離出外界振動的干擾信號，分析了慣導用精密離心機動平衡測試系統的測試信號，研究了靜不平衡與偶不平衡作用下轉子的回轉中心，分析了來自地基水平方向的外界振動及外界角振動對精密離心機動平衡測試的影響。The theory of efficiency is introduced first, and micro - economic organizations are defined. then on the basis of the construction of the framework of efficiency analysis of micro - economic organizations, the dissertation gives an individual analysis of the efficiency of the main micro - economic organizations in economic transformation, and puts forward the directions for their improvement. in the end the dissertation analyses the interaction of the efficiency of different organizations and explores the prerequisites for the interaction, in which the direction of construction of positive interaction environment is explored, to give an overall view of the problem
在總括介紹了效率理論、界定了微觀經濟組織並構建了微觀經濟組織效率分析基本框架的基礎上，分別對我國轉軌階段存在的主要微觀經濟組織進行個別效率分析，並分別提出了各自的效率改進方向，最後又綜合分析各類組織之間的效率聯動及其必要條件，並提出了促進組織之間效率良性互動的環境建設方向，以此作為一個完整的分析體系。分享友人