其总的延迟可以由带噪分形信号的互信息曲线在第一区域内达到极小值的时间来确定。
The total delay time could be determined through the time of mutual information curve of the signal with noise getting to the maximum in the first quadrant.
认为工作面前方煤体存在反的＂C＂形裂隙发育带，是瓦斯流动活跃区域。
There was an inverse"C"shape crack zone ahead of mining face where methane was active.
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