night observation
| and
| detection system
| night observation | |
| gen. | 夜间观察 |
| earth.sc. | 夜间观测 |
| AND | |
| el. | 与; 逻辑电路"与" |
| and | |
| gen. | 并; 及; 和; 及; 加; 并且 |
| busin. | 以及; 与 |
| detection system | |
| avia. | 探测系统 |
| |||
| 夜间观察观测 | |||
| 夜间观测 | |||
| 夜间观察 | |||
|
night observation : 25 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 8 |
| Electronics | 6 |
| Military | 1 |
| Space | 4 |
| Technology | 1 |
| United Nations | 4 |