... quality control system 品质管理系统 quality engineering 品质工程 quality of ground water 地下水水质 ...
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改善地下水水质 improve groundwater quality
地下水水质监测 ground water monitoring ; monitoring of groundwater quality
地下水水质类型 type of groundwater quality
地下水水质评价 groundwater quality evaluation
关于地下水水质的探讨 Discussion on groundwater quality
地下水水质脆弱性 vulnerability of groundwater quality
地下水水文地质特性 Hydro geological characteristics of groundwater
地下水水量水质模型 groundwater quantity and quality model
地下水水质模型是由水流问题和水动力弥散问题耦合而成。
Groundwater quality model is composed of problems of groundwater flow and dynamic dispersion.
科学地划分和建立水源地保护区是保护地下水水质的重要手段。
To plot up and set up rational groundwater protection area is an important method for protection of groundwater quality.
应用此方法评价地下水水质简便可靠，预测精度高，具有通用性和客观性等优点。
This method is simple, convenient and reliable to appraise groundwater quality, and has many advantages such as high accuracy of prediction and objectivity, etc.
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