英语词汇“concentric ring structures”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	concentric ring structures
释义	concentric ring structures concentric ring structures [kən′sen·trik ′riŋ ‚strək·chərz] (astronomy) A formation on the moon's surface consisting of two craters, one inside the other, with approximately the same center.
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