According to hazard theory and principle of selecting assessment index, the paper constructs assessment index system of gas explosion in heading face.
根据危险源理论和评价指标选择原则，建立了掘进面瓦斯爆炸评价指标体系。
The risk from man-made destructions(typically terrorism attacks) is included in the range of major hazard installation assessment, and existing assessment index system is .
将人为破坏（恐怖袭击）引发事故的风险纳入重大危险源风险评价的研究范畴，对现有的评价指标体系进行了改进。
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