煤矿用电缆燃烧时所释放出的烟雾和毒性气体是造成电缆火灾事故“二次灾害”的直接原因。
The direct reason that causes the cable fire disaster-the second disaster is that the smoke and poison gas produced by the cable for mine purposes when burning.
然后提出了泥石流地区大段落定线方案风险分析的模拟方法和铁路泥石流二次灾害发生风险模拟的方法；
Then, two methods of risk assessment for the alignments in railway design and the disaster of overturning trains caused by debris flow are presented.
液化石油气储罐在火灾作用下，其内部的温度和压力迅速上升，从而会引起储罐爆炸，进而酿成危害性更大的二次灾害。
When LPG tanks are exposed to external fire, their temperature and pressure will increase rapidly, which may cause the tanks exploding and lead the secondary hazard with much more damage.
汶川震区重建三年以来，泥石流、塌方等次生灾害在扩大，主要原因之一是重建工程和工矿企业新、扩建造成的二次破坏。 汪韬报道。
Three years after the Sichuan earthquake, the disaster zone remains perilously unstable as expanding mines and hasty reconstruction aggravate geological risks, writes Wang Tao .
通过MAPGIS软件平台及其二次开发的滑坡灾害分析系统，采用半定量和定量两种方法对浙江省永嘉县区域滑坡进行了预测。
On the basis of MAPGIS software and its customizing, two methods, semi-quantitative and quantitative one, are adopted to forecast regional landslides in Yongjia County of Zhejiang Province.
通过MAPGIS软件平台及其二次开发的滑坡灾害分析系统，采用半定量和定量两种方法对浙江省永嘉县区域滑坡进行了预测。
On the basis of MAPGIS software and its customizing, two methods, semi-quantitative and quantitative one, are adopted to forecast regional landslides in Yongjia County of Zhejiang Province.
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