mass driver
(aerospace) A proposed kind of electromagnetic catapult that could be used for space launches without the need for a rocket.
plural of sasswood
(mycology) Having a life cycle in which only teliospores and basidiospores are produced
(metrology) An SI unit of mass equal to 10⁻⁶ grams. Symbol: μg A unit of mass equal to one millionth of a gram, or 0.000 001 grams.
技術者たちは、化学ロケットを使わずに貨物を軌道に打ち上げるために、月面に電磁カタパルトを設置することを提案した。
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