论文部分内容阅读
2008年,我国巨大灾害频发。年初,我国南方发生严重低温雨雪冰冻灾害:近日,四川省汶川等地发生了震惊世界的大地震。这
In 2008, a huge disaster in our country was frequent. At the beginning of the year, severe low-temperature snow and ice freezing disaster occurred in southern China: Recently, there was a great earthquake that shocked the world in places like Wenchuan in Sichuan Province. This