- A helicopter in hover. 盘旋着的直升机
- Stop the helicopter in a stable Nose-In hover. 动作执行完毕后，机头朝向操控者保持稳定的停悬。
- Why would there be a helicopter in the real Heian era? 为什么平安时代会有直升机?
- Stop the helicopter in a stable Tail-In hover. 动作执行完毕后，机尾朝向操控者保持稳定的停悬。
- An effective multigrid method has been developed to accelerate the Euler solution of transonic flow for a helicopter rotor in hover. 发展了一种加快悬停旋翼无粘流场计算收敛速度的多重网格方法。
- We were whirled away in a helicopter. 直升机迅速把我们运走。
- A helicopter continued to hover over the street. 一架直升飞机不停地在街的上空盘旋。
- Robust Control for a Non-Minimum-Phase Helicopter in Hover 非最小相位直升机悬停的鲁棒控制
- The pilot landed the helicopter in a rice field. 飞行员将直升机降落在一片稻田里。
- To protect a helicopter in this way would require a multiplicity of specialised external airbags. 为了保护直升机就需要安装多种特制的外部气囊。
- You have flied in a helicopter,have not you ? 你坐过直升飞机，对吗?
- The criminal escaped by a helicopter. 罪犯乘直升机逃走了。
- You have flied in a helicopter, have not you ? 你坐过直升飞机，对吗?
- The flow field and performance of a helicopter ducted tail rotor in hovering and sideward flight were analyzed using CFD(Computational Fluid Dynamic) technique. 采用CFD(计算流体力学)方法分析在悬停和侧飞时直升机涵道尾桨的流场与性能。
- They arrived at an island in a helicopter. 他们乘直升飞机到达了一个小岛。
- Numerical Simulation of Rotor Flow in Hover. 悬停下旋翼流的数值模拟。
- The power required to turn the main transmission, tail rotor transmission, and tail rotor also add to the higher descent rate of a helicopter in autorotation as compared with that of a gyroplane. 直升机动力系统要驱动主传动系统和尾传动系统，尾传动系统也降低了自动下滑速度。
- What would you do if you had a helicopter ? 要是你有一架直升飞机你怎么办?
- A damaged car was winched by a helicopter. 一辆被毁的小汽车被直升飞机吊了起来。
- Euler solutions of transonic flow for a helicopter rotor in hover using multigrid method 用多重网格方法计算旋翼跨声速无粘流场