Earthiann.地球人
earthn.地球;泥土;世间
Earth Limb Measurement Satellite地球边缘测量卫星
earth-air missile weapon system地空导弹武器系统
earth subgrade resilience modulus土基回弹模量
earth fixed Cartesian coordinates固地笛卡尔坐标
earth-flatlening transformation地球变平换算
earthwork's balance in every part真空罩
earth rotation aperture synthesis地球自转综合
earth-station receiving antenna地球站接收天线