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。
The propeller takes much important place in the electric propulsion system.
螺旋桨作为推进器在电力推进系统中占有重要地位。
A naval ship electric propulsion unit is a complex ship-machine-electricity system.
舰船电力推进是一个复杂的船—机—电系统。
A naval ship electric propulsion unit is a complex ship-machine-electricity system.
舰船电力推进是一个复杂的船—机—电系统。
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