| |||
| 单位算子 | |||
|
unit operator : 7 phrases in 5 subjects |
| Air defense | 1 |
| Artificial intelligence | 1 |
| Aviation | 1 |
| Electronics | 3 |
| Oil / petroleum | 1 |
| |||
| 单位算子 | |||
|
unit operator : 7 phrases in 5 subjects |
| Air defense | 1 |
| Artificial intelligence | 1 |
| Aviation | 1 |
| Electronics | 3 |
| Oil / petroleum | 1 |