研究表明，推进力和稳定比N是影响老隧道变形的主要因素。
The research result shows that advance force and stability ratio N are the main factors controlling …
他的公司——人造卫星推进研究公司(SPR)，已经造出了引擎的原型，用一个充满微波的锥形共振腔制造推进力。
His company, Satellite Propulsion Research (SPR), has constructed demonstration engines, which he says produce thrust using a tapering resonant cavity filled with microwaves.
基于鱼类肌肉水动力学的研究，利用鱼类尾鳍与微机器人摆翼运动相似性，对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin.
基于鱼类肌肉水动力学的研究，利用鱼类尾鳍与微机器人摆翼运动相似性，对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin.
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