Over the racket ofa passing police ' copter 但飞过的巡逻直升机的噪音让我没听清
2.
Red three , you radio in for our copter 红色三号，你用无线电联络我们的直升机
3.
Copter rotors really spin , and cockpit and doors really open 直升机旋翼可旋转，驾驶舱门可关开！
4.
Shellie shouts something i can ' t quite make out over the racket of a passing police copter 谢莉冲我嚷了句什么但在飞过的巡逻直升机的噪音让我没听清
5.
Finally , since you could see no pattern emerging from the copter ' s color , that factor probably didn ' t make much of a difference 最后，您可以发现飞机颜色因素没有形成图案，那么这个因素给飞行时间带来什么大的差异。
6.
The stability of the tiltrotor in the heli copter mode is analyzed aiming t a semi span soft - inplane tiltrotor model with an elastic wing 集成了非定常动态人流方程与倾转过渡状态的多体动力学力程，建立了倾转旋翼机时域非定常气弹耦合分析模型。
