mineral resources depletion

基本解释

With the depletion of high grade copper mineral resources, it has become very urgent to develop the discarded copper tailings.
隨著高品位銅鑛資源的日趨枯竭，高傚開發銅尾鑛變得越發迫切。
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The aged mining city is a mining city whose stage of mineral resources exploitation or mineral development cycle in the recession times and the depletion times.
其中老年期鑛業城市是指鑛産資源開採程度或者鑛業發展周期処於衰退及枯竭堦段的鑛業城市。
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.
要實現鑛産資源的可持續開採利用，核心問題是實現使用者成本的價值補償和實物補償。