Grey GM (1, 1) is a model for forecasting maritime accident quantity.
灰色GM(1,1)是一种水上交通事故量预测模型。
The monitoring technique of rock mass acoustic emission is of wide use in the stope stability. A grey model GM (1.1) for scientific forecasting was presented in this paper.
岩体声发射监测技术已广泛应用于采场稳定性研究中，文中提出了能进行科学预报的灰色GM(1.1)模型。
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