Grey system models have been used in many problems of hydrogeology, engineering geology, environmental geology and mineral deposit predictions.
灰色系统理论在水文地质、工程地质、环境地质和矿床预测的很多问题中得到应用。
This paper deals with the main advances of mathematical geology in the following fields; applications of fractal, dissipative structure, grey system models and fuzzy mathematics in geology.
本文涉及数学地质在几个领域的主要进展，分形、耗散结构、灰色系统模型和模糊数学在地质学中的应用。
Here different grey system theoretical models are used to fit the experiment data; the error analysis demonstrates that the precision is high.
这里主要运用不同的灰色系统理论模型对实验数据进行拟合，误差分析显示精度是很高的。
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