空-地通信 | |
el. | air-ground communications |
DPA系统 | |
pest.contr. | DPA System |
F系统 | |
rem.sens. | F system |
PELV系统 | |
el.mach. | PELV system |
SELV系统 | |
el.mach. | SELV system |
TN-C 系统 | |
IT | TN-C system |
TN-C-S 系统 | |
IT | TN-C-S system |
TN-S 系统 | |
IT | TN-S system |
| |||
air-ground communication; air-to-ground communication | |||
| |||
air-ground communications |
空-地通信: 56 phrases in 9 subjects |
Air defense | 4 |
Aviation | 17 |
Earth sciences | 1 |
Electronics | 11 |
General | 3 |
Information technology | 2 |
Space | 9 |
Technology | 5 |
Telecommunications | 4 |