“mapping units of sedimentary rocks”的概念、定义、翻译、参考文献-科学参考

单词	mapping units of sedimentary rocks
释义	mapping units of sedimentary rocks Encyclopedia 理学沉积岩填图单位释 mapping units of sedimentary rocks沉积岩填图单位按岩石地层单位划分标志，将地层划分成详略各不相同的岩性组合或岩性段、岩相带、标志层等，作为地质图上反映地质特征的基本组成部分。
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