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.
随便看	placenta previa centralis placenta previa marginalis placenta previa partialis placenta protein placenta protein 4 placenta reflexa placenta reniformis placentary placentas placentascan placenta-specific atp-binding cassette transporter placenta-specific mdr protein placentas, placentae placenta spuria placenta succenturiata placentate placentation placenta triloba placenta tripartita placenta triplex placenta uterina placenta velamentosa placentia placentia bay placentiferous

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crater arc