由于矿藏量衰竭而减税

deficit reduction───赤字减少

dramatic reduction───大幅减少

drastic reduction───大幅度削减；急剧减少

oxidation-reduction───氧化还原

selective education───选择性教育

reflection densities───[物]反射密度

addition reaction───加成；[化学]加成反应

To satisfy the sustainable mining and utilization of mineral resources, the central issue is the compensation of user cost for the value depletion and physical deduction.───要实现矿产资源的可持续开采利用，核心问题是实现使用者成本的价值补偿和实物补偿。

• depletion deduction
• depletion calculator
• depletion allowance