例句與造句

1. Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft , and the aircraft flight envelope change of iced and un - iced situation was computed , and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it , and the longitudinal and lateral stability and the elevator , aileron and rudder step response were also studied and simulated
   根據(jù)這些參數(shù)計算了飛機結(jié)冰后阻力系數(shù)以及典型氣動導數(shù)的變化，并計算了結(jié)冰前后飛機的飛行包線；同時對結(jié)冰前后飛機的縱向、橫側(cè)動穩(wěn)定性以及升降舵、副翼和方向舵階躍操縱響應進行仿真計算。
2. It's difficult to find clean aircraft in a sentence. 用clean aircraft造句挺難的