Gray theory can be used in mineral resources evaluation for prediction area with little information; it can predict target area and supervise ore prospecting.
在矿产资源评价中，可以利用灰色理论的特点，来对目前只有少量信息的预测区进行评价和排序，确定预测靶区，指导找矿工作。
As a effective method for the evaluation and prediction of mineral resources, the GIS is widely applied in the outside world.
GIS作为一种有效的矿产资源评价预测方法，在国外已被广泛应用。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算，在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
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