GEONn.陀螺光学导航GEabbr.美国通用电气公司（=General Electric Coabbr.地面设备（=ground equipment）abbr.锗（=germanium）Geiger's regionGeo-structure地质结构geological data地质资料geological city生态城市geologic period地质时代geostatic curve地压曲线geoconservation地质保护Gezahagne Abera阿贝拉geologic events地质事件geologic target地质目标