ground ray地面射线,地面波groundn.地面；地方；根据；主题；立场；水平；背景v.使停飞；困在家中；放在地上；使 ... 搁浅；打基础动词grind的过去式和过去分词形式Ground Handling and Transportationground-fault distance protection接地距离保护groundwatersource heat pump system地下水水源热泵系统ground-based interceptor missile陆基拦截导弹Ground to Air Scanner Surveillance地对空扫描监视(仪)groundwater in Quaternary aquifers第四系地下水Ground Support Simulation Computer地面支援模拟计算机Ground to-Air Pilotless Aircraft地对空无人驾驶飞行器ground-to-air bomber destroyer反轰炸机地对空导弹ground digitized mapping technique地面数字测图