alkaline earth-rare earth ternary sulfide  碱土稀土三元硫化物

boundary line of two times between earth excavation area and earth fill area  填挖边界线

earth centered earth fixed  地心地固坐标系

earth circuit [= earth return circuit]  接地回路; 单线回路

Earth Day [first Earth Day in 1970]  地球日

earth pressure of earth-strip  土条土压力

earth-centered and earth-fixed(ECEF) coordinate system  地心地固坐标系

earth-centered earth-fixed coordinate system  地心坐标系

earth-centered earth-fixed(ECEF) coordinate system  地心地固坐标系

earth-fault and earth-leakage protection  接地保护

international maritime satellite land earth station {= INMARSAT land earth station  国际行动卫星陆地电台; 国际海事卫星陆地电台

Rare Earth and Non-Rare Earth Impurity  稀土和非稀土杂质元素

rare earth elements lnon rare earth elements  稀土和非稀土元素

rare earth oxides of the rare-earth metals  稀土金属元素的稀土氧化物

Center for Earth Observation and Digital Earth  中国科学院对地观测与数字地球科学中心

Alkaline-earth rare-earth sulfide  碱土-稀土硫化物

[solid] Earth tide  固体潮

1# rare earth  1#稀土

1(#) rare earth  1(#)稀土