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- During the early period of rocket development,China had established a rocket mechanical model and,in addition,had determined various external forces (such as engine thrust and aerodynamics) during the process of flight. 中国在火箭研制初期，已建立起火箭的力学模型，此外也早已确定了飞行过程中的各种外力（如发动机推力、空气动力）。
- During the early period of rocket development, China had established a rocket mechanical model and, in addition, had determined various external forces (such as engine thrust and aerodynamics) during the process of flight. 中国在火箭研制初期，已建立起火箭的力学模型，此外也早已确定了飞行过程中的各种外力（如发动机推力、空气动力）。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- You operate the mechanism by winding this handle. 操纵这台机器要转动这个把手。
- They planned to send a rocket to the moon. 他们计划向月球发射火箭。
- The watch has delicate mechanism. 这块表有精细的机械装置。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- A part of a mechanism that moves in this manner. 横移物以这种方式移动的一个机械零件
- Imagine a rocket that can travel at the rate of light! 想象一下能以光的速度飞行的火箭。
- There's no mechanism for changing the decision. 没有办法改变这一决定。
- A rocket manned by trained astronauts will launch soon. 载有受过训练的宇航员的火箭马上就要发射了。
- An airplane engine is a complex mechanism. 飞机引擎是种复杂的机械装置。
- Scientists have computed the probable course of the rocket. 科学家利用计算机计算了火箭可能运行的轨道。
- The rocket did one circuit of the earth and returned to base. 火箭绕地球运行一周后返回基地。
- A device or mechanism that grinds grain. 磨臼，磨粉机磨谷物的装置或机械
- A tripping or triggering device on a mechanism. 倾卸装置、钩杆机械装置上断开或启动的装置
- An aircraft takeoff aided by an auxiliary jet or rocket. 助飞用喷气机或火箭帮助航空器起飞
- A rocket can bring back information which we could never get in any other way. 火箭能够带回我们用其他方法得不到的资料。
- We sent an unmanned rocket into earth orbit. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- A similar device used to release or activate a mechanism. 起动装置，扳柄类似扳机的装置。用来使机械装置运作
