earthdin地震
earthn.地球;泥土;世间
earth-rockfill cofferdam土石围堰
earth-mercury trajectory地球水星飞行轨道
earth station availability地球站利用率
Earth-pressure-balance土压平衡
earth observing satellites对地观测卫星
earth mode travelling wave零模行波
earth-sheltered dwelling生土窑居
earth' s free oscillations干式高压电流互感器
earth curvature correction地球曲率改正
Earth and rock- fill dam土石坝