我能设计一次碰撞，使动能完全转化。
I can arrange a collision so that all kinetic energy has been removed.
本文中作者在该研究项目中主要负责动能输出装置的设计工作。
In the research project, the author mainly undertakes the design of the energy output system.
本文中作者在该研究项目中主要负责动能输出装置的设计工作。
In the research project, the author mainly undertakes the design of the energy output system.
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