It's like a slingshot — the harder you pull, the more propulsion you generate.(如同一把弹弓，拉的越紧，射的越远。)
Innovations and the Future of Interstellar propulsion.(星际推进器的革新和展望。)
Their high, narrow tails with swept-back tips are almost perfectly adapted to provide propulsion with the least possible effort.(它们又长又细的尾巴配合后掠式的襟翼，完美地适用于最省力的方式提供推动力。)
Each SPHERE satellite comprises functionality for power, propulsion, computing, and navigation.(每个SPERES卫星可提供能源、推进、计算和导航功能。)
What You'll Learn: What will make up the future of rocket-propulsion systems!(你将学习：火箭推进系统的未来走向。)
The drive wheels then rotate as necessary, to achieve both balance and propulsion.(然后驱动轮按需转动，同时实现平衡和推进。)
He is not aware of another electric propulsion system designed for CubeSats.(他并不熟悉另一项为立方体卫星设计的电力推进系统。)
'a bird's wing, comrades,' he said, 'is an organ of propulsion and not of manipulation.(“同志们，鸟类的翅膀，”他说，“是一个推进前行的器官，而不是用来操纵的器官。”)
The large hind legs were used for propulsion in water.(巨大的后肢用于在水中驱动。)
"Electric propulsion has a lot of benefits over internal combustion engines," he said.(他说：“电力推进相对内燃发动机来说有很多好处。”)
