摘要
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。这个计算方法系统具有形式上的规则性和简明性以及理论上的完善性和系统性。
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. This formula system is of regularity and simplicity in form,also of perfection and systematicness in theory.
关键词
经济剥采比
极限剥采比
露天矿开采
比较法
economic stripping ratio
break-even stripping ratio
calculating method
applied condition
open-pit mining
