例句與造句

1. 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(dòng)方程,建立了帶有希勒伺服旋翼直升機(jī)的飛行動(dòng)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。
2. It's difficult to find flapping equation in a sentence. 用flapping equation造句挺難的