“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	upper high Upper Huronian upper integral upper inversion Upper Jurassic upper-level anticyclone upper-level chart upper-level cyclone upper-level disturbance upper-level high upper-level low upper-level ridge upper-level trough upper-level winds upper limb upper low upper mantle Upper Mississippian upper mixing layer Upper Ordovician Upper Pennsylvanian Upper Permian upper punch upper ridge upper semicontinuous decomposition

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