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2008年5月12日,在我国四川汶川县发生8级强烈地震,造成重大的人员财产损失。灾难发生后,全国人民立刻投入到抗震救灾的斗争中。地震是由于地球内部结构在力的作用下突然急剧运动而破裂,导致巨大的能量在瞬时释放,以地震波的形式传到地面,引起一定范围内大地振动的一种自然现象(图1,民主德国)。这种构造地震占全球地震总数的90%以上,主要集中在两个地震带:一是环太平洋地震带,包括我国大部分及台湾岛
On May 12, 2008, a massive 8-magnitude earthquake struck Wenchuan County in Sichuan Province, China, causing major personnel property damage. Immediately after the disaster, people across the country devoted themselves to the fight against earthquakes. The earthquakes are ruptured by sudden and drastic movements of the Earth’s internal structure under the action of force. As a result, huge energy is released instantaneously and transmitted to the earth in the form of seismic waves, causing a natural phenomenon of earth vibration within a certain range (Figure 1, Democracy Germany ). This tectonic earthquake accounts for more than 90% of the total earthquakes in the world, mainly in two seismic zones: the first is the Pacific Rim seismic zone, which includes most of China and Taiwan Island