例句與造句

1. Fin stabilizer is a kind of active stabilizer , which is designed on the principle of torque counteraction . fin stabilizer applied at present is an angle feedback system which calculate the controlling torque through the fin angle . because the relationship between the lift produced by fin and the fin angle is mainly determined by the hydrodynamic experiment , so there are some defects
   目前使用的減搖鰭是一個角度反饋系統，它通過鰭的轉角來計算控制力矩，這樣就存在一些不足之處，因為鰭上產生的升力和鰭角的對應關系主要靠鰭模的水動力試驗來求得。
2. It's difficult to find active stabilizer in a sentence. 用active stabilizer造句挺難的