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单词
atomic propellant
释义
atomic propellant
Encyclopedia
工学
液体火箭推进剂
释
atomic propellant
原子推进剂
用固氢颗粒贮存原子氢,并置于液氦温度下,利用液氦使固氢在火箭发动机中通过喷管膨胀产生推力的推进剂。
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poncelet
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Poncelet-Steiner construction
Poncelet-Steiner theorem
Poncelet theorem
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