propulsion，英语单词，名词，意思是“推进；推进力”。
This dissertation discusses fish propulsion mode and mechanism.
本文分析了鱼类推进模式和推进机理。
参考来源 - 液体中微机器人的运动机理与实验研究According to a predetermined trajectory,ballistic missile with rocket engine propulsion takes a flight to intended targets under the action of the control system.
弹道导弹是用火箭发动机推进,在控制系统作用下按预定的弹道飞行至预定攻击的目标。
参考来源 - 某弹道导弹弹道仿真及其误差源分析In accordance with the thermal power torpedo propulsion system using HAPtri-component fuel, the paPer stlldies the modem analysis and design method of theengine-----the finite element method.
本课题针对三组元鱼雷热动力系统，对发动机的现代分析设计方法——有限元法进行研究。
参考来源 - 发动机零部件的现代分析设计方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-UNCOUNT Propulsion is the power that moves something, especially a vehicle, in a forward direction. 推进力 [正式] [oft n N, N n]
...the submarine's propulsion system.
...该潜艇的推进系统。
The nineteenth century witnessed a revolution in ship design and propulsion.
19世纪经历了船舶设计和推进上的一次重大变革。
Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.
推进器是由火箭发动机提供的，而不是螺旋桨和方向舵，这使得转向变得困难。
Scientists and engineers are beginning to study this ability of fishes in the hope of designing more efficient propulsion systems for ships.
科学家和工程师们开始研究鱼类的这种能力，希望能设计出更有效的船舶推进系统。
The reporters saw the machine at the Jet Propulsion Laboratory in Pasadena,California.
VOA: special.2011.04.26
They work for the American space agency's Jet Propulsion Laboratory in California.
VOA: special.2009.08.25
"We will use the tremendous capabilities of this ion propulsion system to climb out of orbit around Vesta, travel for almost another three years through the asteroid belt to dwarf planet Ceres and then go into orbit around Ceres and undertake the same kind of measurements there that we'll be doing at Vesta.
VOA: special.2011.07.27
propulsion，英语单词，名词，意思是“推进；推进力”。
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