Method: analyse the economic growth of Guanzhong Area by method of Share-shift analysis.
方法：运用份额转移分析方法，对关中地区的经济增长进行分析。
The target shape of this area is defined by selected tiling method.
该区域的目标形状可以通过选择图块的方式进行定义。
The method use FID and count by area normalization method.
该方法采用氢火焰离子化检测器(FID)，并用面积归一化法进行计算。
Finally a calculating method for air supply in mining area by dilution equation was proposed.
最后给出了运用稀释方程计算采场供风量的方法。
Finally a calculating method for air supply in mining area by dilution equation was proposed.
最后给出了运用稀释方程计算采场供风量的方法。
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