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stationary plasma thruster/hall thruster
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stationary plasma thruster/hall thruster
Encyclopedia
理学
空间电推进
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stationary plasma thruster/hall thruster
稳态等离子体发动机
一种基于霍尔效应利用正交场放电产生等离子体的装置。电推进系统的一种,属于电磁式推力器。又称霍尔推力器。
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food safety
food safety alert and reaction system
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Food Safety Committee of the State Council
food safety for army
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Food Safety Law of the People's Republic of China
Food safety Law of the People’s Republic of China
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Food Safety Standards of People’s Republic of China
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