重路线地面站
heavy route earth station
地面微波路线
terrestrial microwave route
输电线路地理平面图
Geographical Plan of Transmission Line
闭路地面驱动系统
closed loop ground drive system
单位地面面积散热量
heat release per unit floor area
地面地震
Surface seismic
surface seismic exploration
surface seism
地面地震CT
surface seismic CT
Surface seismic tomography