蜂窝移动通信 | |
el. | cellular mobile 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 系统 | |
IT | TN 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 |
| |||
cellular mobile communications network | |||
| |||
cellular mobile communication |
蜂窝移动通信: 14 phrases in 5 subjects |
Computer networks | 2 |
Electronics | 6 |
Information technology | 3 |
Space | 1 |
Telecommunications | 2 |