Owing to the inhomogeneities in the atmosphere,an infrasonic wave during its propagtiondecomposes into normal modes,each......

研究区位于新疆东准噶尔卡拉麦里大断裂以南地区，晚石炭世中一晚期大地构造活动增强，发生海、陆交互相的火山喷发，尤其以晚石炭世六棵......

Oceanic plateaus are large igneous provinces in the oceans,created by massive underwater eruptions,but their late-stage ......