earthpean.[植]花生earthn.地球；泥土；世间earthing autotransformer接地自耦变压器Earth Geodetic Satellite大地测量卫星earth orbital rendezvous地球轨道会合earth-current detector大地电流检测器earth-oriented antenna指向地球的天线earth-venus trajectory地球金星飞行轨道earth covering materials地表覆盖物earthed-cathode triode阴极接地三极管earth system engineering地球系统工程Earth Recovery Subsystem地面回收子系统