仰俯之間 的英文怎麼說
中文拼音 [yǎngfǔzhījiān]
仰俯之間
英文
between looking up and stooping down-
On the edge of the mouth, triangle flowers pattern circle to that of neck part, continuing to the lower basvo ( banana plant ) leaves pattern
腹中間部位四個菱形開光等距團列，開光內繪龍戲珠紋，開光之間填飾卷枝寶相花，上下端以俯、仰變體蓮瓣紋陪襯。What we used to be fond of will become the past instantaneously
向之所欣，俯仰之間，已為陳跡，猶不能不以之興懷。Composed of mainly two scenic spots, namely the goat - horn cave and the double dragon valley shuanglong gu, this district is altogether no larger than 3 square kilometers. the smallest one in the yandang mountain scenic zone, however, it boasts almost every scenic aspects : peak, hill, cave, pond and waterfall and so on. on the otherhand, this is the area that is near the east china sea
這一景區由羊角洞和雙谷兩部分組成，合計不過3平方公里，是雁蕩山面積最小的一個景區，然而峰嶂洞瀑潭湖一應俱全，又最近大海，俯仰呼吸之間，盡是天風海雨潮聲蜃影，恰好應了某當代作家的一句名言：雖小卻好，雖好卻小。The visual angle is something subtle and mysterious. looking up or down gives different impressions. as a result one ' s state of mind alters considerably
視角是個奧妙無窮的東西。俯仰之間，眼中勢派大相徑庭，自我心態變迥然不同。Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft
本文以滑流干擾的機理為出發點，研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響，推導出滑流引起的飛機升力、阻力和俯仰力矩的變化，給出了滑流干擾對機體氣動特性影響的工程估算方法，為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具，為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。The controller adopts tms320f240 dsp as its main control unit, using code wheel for angle measurement, using synchronous serial communications interface for the duplexing data communication between the controller and the upper computer, using rs - 232 interface for the communication between the pitch axis controller and the azimuth axis controller, and then developed the interface circuit to the motor driver
根據控制器研製要求，提出總體方案。控制器採用dsp作為主控單元，利用光電碼盤測角，利用同步串列通信介面與上位機進行雙向數據通信，利用rs - 232介面進行俯仰軸和方位軸控制器之間的通信，並研製了與電機驅動器的介面電路。The design and simulation of the servo controller had been researched based on the optical track device for lunar rover made by dept. of astronautics engineering of hit. the main research are following : firstly, according to performance requirements, the control scheme is determined, and the control model are selected after analyzing the steady and dynamic characteristic. and the control equation are obtained
首先根據系統的性能指標要求，在分析了系統的穩態和動態性能的基礎上，確定了系統的控制方案，建立伺服控制系統各環節的數學模型，對視覺平臺的控制方程進行了簡化處理，消除了方位軸和俯仰軸之間的力矩耦合，得到了相互獨立的方位軸和俯仰軸的控制方程。This method makes it possible for investigating the unsteady nonlinear potential flow in a complicated environment with higher efficiency. the aerodynamic forces of a wing in couple motion of heave and pitch with ground effect are analyzed in detail based on the numerical result. it is shown that a thrust force exists when the wing is in heave motion
深入系統地分析了存在表面效應時機翼運動規律和氣動力之間的關系，研究結果表明，機翼升沉運動產生的推力與升沉速度幅值的平方成比例，推力和推進效率和振蕩頻率成反比；機翼的俯仰運動可以調節推力和推進效率，但是單純的俯仰運動不會產生推力。Through all - round energy analysis for the device of azimuth and pitching, the tracking system of azimuth and pitching is studied and the non - linear relations between pitching kinetic and the angle of pitch biaxial is provided
本文以方位俯仰型跟瞄系統為研究對象，通過對方位俯仰型裝置的較全面的能量分析，給出了俯仰動能與俯仰角之間的非線性關系。分享友人