例句與造句

1. Many factors were considered in the algorithm such as the helicopter nonlinear flight dynamic model , the time delay of rotor wake , the air compressibility at advancing blade , the stall of retreating blade , the unsteady flapping motion of rotor blades and the aerodynamic interaction among rotor , fuselage , tail rotor and empennage
   根據(jù)這一方法可以確定為完成直升機(jī)機(jī)動飛行所需的駕駛員操縱輸入及直升機(jī)的飛行速度、角速度和飛行姿態(tài)的變化歷程。
2. But the variation of its aerodynamic forces will induce flapping motion and produce the cyclic pitch on the main rotor blades by the bell mixing mechanism . in order to study the effect of bell - hiller stabilizer bar on helicopter stability and control , this paper first analyze the function and the principles , give the flapping equation and a flight dynamic model with bell - hiller stabilizer bar . and then works over the stability and control of uav r - 50 in hover and cruise condition , and analyzed the influence from parameters of the bar to it
   為了深入研究希勒伺服旋翼對直升機(jī)穩(wěn)定性和操縱性的影響,本文首先分析了希勒伺服旋翼的功能和工作原理,推導(dǎo)了伺服旋翼的揮舞運(yùn)動方程,建立了帶有希勒伺服旋翼直升機(jī)的飛行動力學(xué)模型,然后以yamahar - 50無人直升機(jī)為例,分析該直升機(jī)在懸停和前飛時(shí)的平衡、穩(wěn)定性和操縱性,在此基礎(chǔ)上進(jìn)一步研究希勒伺服旋翼設(shè)計(jì)參數(shù)變化對直升機(jī)穩(wěn)定性和操縱性的影響。
3. It's difficult to find flapping motion in a sentence. 用flapping motion造句挺難的