earthpean.[植]花生
earthn.地球;泥土;世间
earth-Mars trajectory地球火星飞行轨道
earth-crossing object越地天体
earth core rockfill dam心墙堆石坝
earth and stone digging土方挖掘
Earth Re-Entry Module重返大气层舱
earth leakage protector触电保安器, 接地漏电保护器
earth sensing satellite地球传感卫星
earth-rate correction地球转速修正
earth penetrator weapon钻地武器
earth banking apparatus筑埂器,覆土器