The smaller the bird, for example, the more agile the flying — a swan may need the equivalent of two football fields to take off and get lift, while a hummingbird can rise like a helicopter.
例如，鸟类的体型越小，飞行动作就越灵敏——天鹅就需要两个足球场大的面积才能完成起飞和抬升动作，而蜂鸟就可以像直升机一样垂直起飞。
An Indian coast Guard helicopter and ship take part in an exercise off the coast of Porbandar in the Arabian Sea in December 2008.
印度海岸警卫队直升机和船只参加了2008年12月在阿拉伯海的Porbandar沿海进行的演习。
On the basis of the need of the lamplight for the helicopter to take off or touch down at the warship, the standard of the electromagnetic compatibility is considered.
根据直升机起飞、着舰时所需的助降灯光使用要求，考虑电磁兼容性标准，详细介绍了灯光助降系统的主机板、电源板、驱动电路、故障检测电路等硬件设计过程。
Move the helicopter to the right, keeping the tail pointed away from the pilot, in a circle around the pilot. Until the helicopter is hovering over the take-off point.
保持机头朝向操控者，以操控者为圆心，以顺时针的方向执行水平圆的动作，直到直升机到达起飞点的上空。
So if you want to know what it feels like to fall through the air, take off in a rocket, fly a helicopter or fight alien creatures in outer space, visit one of the theme parks in your area.
因此，如果你想感受一下飞到空中、乘坐火箭、驾驶直升机或者在外太空与外星人作战的感觉，去你们当地的主题公园游玩一下吧。
The warship air-wake is a major environmental condition for the helicopter during take-off and landing from warship, which affects the helicopters control and stability and flight safety.
舰船空气尾流场是直升机舰上起降时的主要环境条件，对直升机的操稳性能及飞行安全有很大的影响。
Until the helicopter is hovering over the take-off point.
直到直升机到达起飞点的上空。
A helicopter is able to take off and land straight up and down.
直升飞机可以直上直下地起落。
With ha fleet of tour vans, off-road vehicles, and even a helicopter to take fans to the more isolated locations, the tours sate the appetite of even the most fervent film lover.
[7]通过旅游车、越野车组成的车队甚至是一架直升飞机，影迷们被送达更为偏僻的外景地。电影之旅能让那些最狂热的电影迷们也感到心满意足。
With ha fleet of tour vans, off-road vehicles, and even a helicopter to take fans to the more isolated locations, the tours sate the appetite of even the most fervent film lover.
[7]通过旅游车、越野车组成的车队甚至是一架直升飞机，影迷们被送达更为偏僻的外景地。电影之旅能让那些最狂热的电影迷们也感到心满意足。
应用推荐