因此，动态灰色预测模型在大坝变形的预测预报中比静态预测模型具有更高的应用价值。
Therefore, the dynamic gray forecast model had higher value than static model in dam deformation forecast.
用灰色静态模型建立起计算裂缝密度的表达式，计算结果精度较高。
Based on the gray static model, fracture density expression are worked out, and the calculated conclusion have higher precision.
本文详细阐述了灰色系统理论及最常用的灰色预测模型——GM（1，1）预测模型（静态GM（1，1）预测模型）。
This paper described the gray system theory and the most common used gray forecasting model-GM(1,1) forecasting model (static GM(1,1) forecasting model).
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