The technical analysis and appreciative method of the electrical propulsion system;
本文列出了某船电力推进系统的几个投标方案。
First of all, The paper have a analysis of ship electrical propulsion technology, Three sorts of ship electrical propulsion system were introduced and researched.
本文首先对国内外的船舶电力推进技术进行了分析研究，论证了三种推进电机相区别的电力推进技术的优缺点和适用领域。
Electrical rocket engine is a new type of space propulsion system.
电火箭发动机是一种新型的空间推进装置。
Electrical rocket engine is a new type of space propulsion system.
电火箭发动机是一种新型的空间推进装置。
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