英语词汇“crater arc”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	crater arc
释义	crater arc crater arc [′krād·ər ‚ärk] (astronomy) A series of lunar craters located along a curved line. crater arc cra·ter arc an arc of a direct current that forms a pitlike excavation at the positive pole.
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crater arc