authentication system
| engineer
| authentication system | |
| space | 鉴别制度 |
| engineer | |
| avia. | 工兵; 机械师 |
| busin. | 策划; 监督; 司机; 火车司机 |
| CNC | 技师 |
| manag. | 设计; 建造 |
| tech. | 工程师 |
| |||
| 文电鉴别制度 | |||
|
authentication system : 5 phrases in 3 subjects |
| Air defense | 1 |
| Electronics | 3 |
| Information technology | 1 |