通信和跟踪 | |
space | communications and tracking |
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 |
| |||
communications and tracking | |||
communication and tracking |
通信和跟踪 : 16 phrases in 4 subjects |
Aviation | 6 |
Electronics | 2 |
General | 1 |
Space | 7 |