中科新闻网同学聚会教室布置图片:用英语表述地震的原因！谢拉～～
来源：百度文库 编辑：中科新闻网 时间：2024/05/05 16:52:51
Because of the moving of the crates of our earth, and although when two crates move towards each other in a very low speed, and always not noticed, however, when they get locked by each other, the pushing power increases as the time passying by, when the "lock" can not withstand the power, it will be broken, and the surface near the boundaries of the two crates will move suddenly, thus form a wave of quake, which is called earth quake.