| |||
GeeG; guidance; navigator | |||
navigation aid | |||
navigating system | |||
navigation system | |||
guidance system; navigation aids; navigational system | |||
navigation systems | |||
| |||
GEE system | |||
| |||
Gee-H (一种雷达导航系统,是 G 导航系统的改进) | |||
| |||
R-theta system | |||
| |||
ground electronics engineering system GEE | |||
| |||
navaid |
导航系统: 975 phrases in 30 subjects |