Fuzzy comprehensive evaluation method was applied to build a fuzzy mathematic model to analyze mine coal and gas outburst hazard.
采用模糊综合评价方法建立模糊数学模型，对矿井煤与瓦斯突出危险性进行分析。
The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.
通过分析近距离保护层开采、水力掏槽法及边抽边掘技术防治煤与瓦斯突出原理及实践应用，从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。
Grey cluster assessment of the grey system theory is used to predict the outburst of coal and gas in mine so as to have effective prevention and control on this kind of accident.
为了对煤与瓦斯突出事故进行有效的预防与控制，笔者应用灰色系统理论中的灰色聚类评估方法，对矿井的煤与瓦斯突出进行了预测。
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