地面沉降条件下的地下水允许开采量评价必须以灾害性地面沉降不发生为前提，地面沉降的控制应是控制灾害性地面沉降。
The evaluation of the safe yield of ground water must be based on that the disaster ground subsidence don't take place. The control of ground subsidence is the control of disaster ground subsidence.
地下水资源评价主要解决的问题是符合给定水质条件下的允许开采量。
The main goal of the groundwater resources evaluation is to solve the problem that the right permissive mining yield of groundwater can be made decision under given groundwater quality.
地下水资源评价主要解决的问题是符合给定水质条件下的允许开采量。
The main goal of the groundwater resources evaluation is to solve the problem that the right permissive mining yield of groundwater can be made decision under given groundwater quality.
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