“Upper Ordovician”的概念、定义、翻译、参考文献-科学参考

单词	Upper Ordovician
释义	Upper Ordovician [`ǝp·ǝr ´ȯr·dǝ`vish·ǝn] ^GEOLOGY The latest epoch of the Ordovician period of geologic time, beginning approximately 440 million years ago.
随便看	membrane separation membrane stress membrane waterproofing membranous glomerulonephritis membranous labyrinth membranous pregnancy membranous urethra MEMC memex memistor memomotion study memory memory address register memory bank memory buffer register memory capacity memory card memory cell memory chip memory contention memory core memory cycle memory dump memory dump routine memory element

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