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。
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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