Gega盖加GEabbr.美国通用电气公司（=General Electric Coabbr.地面设备（=ground equipment）abbr.锗（=germanium）geodetic surveying大地测量geothermal heating地热采暖geochemical record元素地球化学Geoglossum pumilumn.小地舌菌geotextile fabrics土工织物geologic character地质特征geocentric horizon地心地平geomorphic history地貌发展史Geastrum velutinumn.绒皮地星geological material地质物料