| |||
stringent control | |||
emergency control | |||
| |||
emergency control |
应急控 制 : 37 phrases in 10 subjects |
Air defense | 1 |
Aviation | 9 |
Communications | 1 |
Electronics | 12 |
Navigation | 3 |
Nuclear and fusion power | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Space | 4 |
Technology | 4 |