basic economic series的意思|示意
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基本经济系列
basic economic series的网络常见释义
基本经济数列 ... basic economic accounting unit 基本经济核算单位 basic economic series 基本经济数列 basic equation 基本等式 ...
basic economic series相关例句
The basic principles and applied conditions of three comparing methods calculating economic stripping ratio are expounded and a series of formulas corresPOnd with the ones are presented in the paper.
阐述了计算经济剥采比三种比效法的基本原理和适用条件。并提出了一套相应的计算公式。