首先用灰色理论GM(1,1)模型预测了某矿伤亡事故数和伤亡事故的突变年份。

First, the fault casualty number and the year which comes with fault casualty catastrophe of a mine were forecasted by using Grey Theory GM (1, 1) model.

youdao

首先用灰色理论GM(1,1)模型预测了某矿伤亡事故数和伤亡事故的突变年份。

First, the fault casualty number and the year which comes with fault casualty catastrophe of a mine were forecasted by using Grey Theory GM (1, 1) model.

youdao