“open arc”的概念、定义、翻译、参考文献-科学参考

单词	open arc
释义	open arc [`ō·pǝn `ärk] ^ASTRONOMY A crater arc in which the craters do not touch each other.
随便看	melanophore melanophore-dilating principle melanophore hormone melanoprotein melanosarcoma melanose melanosis coli melanosis iridis melanosome melanostibian melanotekite melanotic cancer melanotic freckle melanovanadite melanterite melanuria melaphyre Melasidae Melastomataceae Melde's experiment Meleagrididae M electron melena Meliaceae melilite

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