地面

ground;the earth’s surface
～部队ground forces;land forces/～沉降surface subsidence/～导弹ground missile/～辐射terrestrial radiation;surface radiation/～服务ground services/～灌溉surface irrigation/～核试验surface nuclear test/～炮兵ground artillery/～卫星站ground satellite station/～遥测装置ground telemetering equipment/～战役land campaign