(a) = ion engine n.; (b) a rocket in which an ion engine is the means of propulsion.
单词 | θ214010 |
释义 | society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > rocket > employing ion propulsion (3) ion rocket1936 (a) = ion engine n.; (b) a rocket in which an ion engine is the means of propulsion. ion engine1945 a rocket engine that employs ion propulsion. ion drive1947 = ion engine n.; (also) propulsion by means of an ion engine. |
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