Based on laser propulsion thrust vector control, a thrice reflecting focus system is put forward, designed and fabricated.

基于激光推进推力矢量控制，提出、设计并加工了一种三次反射激光聚焦系统。

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This propulsion system produces exquisite levels of thrust by accelerating charged atoms of xenon through nozzles at the rear of the spacecraft.

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Both propulsion systems produce only small amounts of thrust but are very efficient in terms of how much "propellant" they consume.

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