The on-the-spot application showed that it is very effective for pulse ventilation in prevention and control of accumulated gas at the upper corner angle of coal face.
现场应用结果表明，射流脉冲通风对治理上隅角瓦斯积聚具有良好的效果。
The paper gave a high resolution processing method based on double spectrum of seismic signal from Angle of higher order accumulated amount of signal.
本文从信号高阶累积量的角度出发给出了一种基于地震信号双谱的高分辨率处理方法。
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