“extragalactic system”的概念、定义、翻译、参考文献-科学参考

单词	extragalactic system
释义	extragalactic system Astronomy extragalactic system河外星系
随便看	preleptotene stage preliminary preliminary budget examination preliminary calculation Preliminary Compilation of Qing Poetry Chronicle preliminary constitutionality preliminary corrosion preliminary crushing equipment preliminary design preliminary designation preliminary design for landscape planting preliminary design for urban rail transit Preliminary Design in Environmental Engineering preliminary design of deposit mining preliminary design of helicopter preliminary design of military aircraft preliminary design of UAV preliminary feasibility study of deposit mining Preliminary General Catalogue preliminary hazard analysis preliminary hearing preliminary hearing personnel preliminary interpretation of remote sensing data for geological features preliminary investigation preliminary melting

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