“ring galaxy”的概念、定义、翻译、参考文献-科学参考

单词	ring galaxy
释义	ring galaxy [`riŋ ´gal·ik·sē] ^ASTRONOMY A class of galaxy whose ringlike structure has clumps of ionized hydrogen clouds on its periphery, may have a nucleus of stars, and is usually accompanied by a small galaxy; probably formed when a small galaxy crashes through the disk of a spiral galaxy.
随便看	selsyn motor selsyn receiver selsyn system selva selvage selvedge Selwood engine selysn transmitter Semaeostomeae semanteme semantic analysis semantic error semantic extension semantic gap semantics semaphore sematic semeiography semelparity semen Semenov number 1 Semenov number 2 semiactive homing guidance semiactive tracking system semialgorithm

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