“vernier engine”的概念、定义、翻译、参考文献-科学参考

单词	vernier engine
释义	vernier engine [`vǝr·nē·ǝr `en·jǝn] ^{AEROSPACE ENGINEERING} A rocket engine of small thrust used primarily to obtain a fine adjustment in the velocity and trajectory of a rocket vehicle just after the thrust cutoff of the last sustainer engine, and used secondarily to add thrust to a booster or sustainer engine. Also known as vernier rocket.
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