urban man made hazard 城市人为灾害
man made geologic hazard 人工地质灾害 ; 人为地质灾害
man-made geological hazard 人为地质灾害
Man made reservoirs and sand excavation in some rivers reduce silt discharge into sea, these human activities are vital factors that cause coast erosion hazard in Qinhuangdao region recently.
在本区入海的一些河流上兴修的水库与挖沙采石，减少了入海泥沙量，这些人为因素是现今秦皇岛海岸侵蚀灾害的主要原因。
At present a greater hazard to the water body is man-made pollution.
当前对水体危害较大的是人为污染。
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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