“material unit”的概念、定义、翻译、参考文献-科学参考

单词	material unit
释义	material unit [mǝ`tir·ē·ǝl ´yü·nǝt] ^GEOLOGY A stratigraphic unit based on rocks and their fossil content without time implication.
随便看	Northill anchor northing north magnetic pole North Pacific Current north point north polar distance north polar sequence North Polar Spur North Pole north pole north-south effect north-stabilized plan-position indicator North Star north temperate zone northupite north-upward plan position indicator north-upward presentation northwester Norton's theorem Norway Current Norwegian Current nor'wester noscapine nose nosean

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