ground die[机] 磨制螺模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 scattering specific地面散射特性ground pressure resistance地基抗压刚度Ground Exploitation System地面开发系统grounded collector circuit共集极电路ground telemetry subsystem地面遥测分系统groundwater runoff modulus地下水径流模数grounded-base transistor基极接地晶体管,共基极晶体管grounding fault protection接地故障保护ground density measurement土壤密度测量ground-ranging equipment地面测距设备