groundwaven.地波
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-Control Computer Center地面控制计算机中心
ground fault circuit interrupter接地故障断路器
ground controlled approach radar地面控制进场雷达
ground simulation test of engine发动机地面模拟试验
ground thread thread cutting die磨削加工螺纹板牙
grounded-grid-triode circuit栅极接地式三极管电路
Ground Objectives Identification地面目标识别
ground-derived navigation data地面提供的导航数据
ground-to-air guided missile地对空导弹
Ground heat exchanger heat pumps土壤热交换器地源热泵