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主动 跟踪 | |
space | active tracking |
主动跟踪 | |
space | active follow |
tech. | active 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-C 系统 | |
IT | TN-C system |
TN-C-S 系统 | |
IT | TN-C-S system |
| |||
active follow | |||
active tracking | |||
active following | |||
| |||
active tracking |
主动跟踪 : 16 phrases in 6 subjects |
Air defense | 1 |
Aviation | 1 |
Electronics | 1 |
General | 1 |
Space | 6 |
Technology | 6 |