“proterozoic eon”的概念、定义、翻译、参考文献-科学参考

单词	proterozoic eon
释义	proterozoic eon Encyclopedia 理学元古宙释 proterozoic eon元古宙介于太古宙与显生宙之间的一级地质年代单元。
随便看	flooring flooring function flooring work floor of coal seam floor paint floorplaning floor plate floor scaffold floor stove of Mulam nationality floortime floor trading market flop flop-out method flop-over flop-over process floppy disk floppy disk drive floppy disk drive, FDD floppy disk drive，FDD floppy disk, flexible disk, diskette FLOPS Floquet Floquet analysis Floquet exponent Floquet-Lyapunov theorem

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