Terms containing reference ground

Subject	English	Chinese
tech.	ground reference navigation	地文导航
avia.	ground reference navigation	地标领航
nautic., tech.	ground reference plane	接地参考平面
avia.	ground reference point	〔客〕地面参考点
avia.	ground reference point	地面参考点
earth.sc.	ground reference system	地面参考系
avia.	ground reference system	地面基准系统
avia.	ground/geographical reference point	〔客〕地面/地理参考点
el.	ground-reference	参考地面
el.mach.	reference ground	参考地
auto.	reference ground	标淮地
auto.	reference ground	电气参考地
geophys.	seismic reference datum to ground level	地震基准面至地面高度