| |||
| 选区衍射 | |||
|
selected diffraction : 11 phrases in 7 subjects |
| Chemistry | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Geology | 1 |
| Steel production | 1 |
| Technology | 2 |
| Textile industry | 1 |
| |||
| 选区衍射 | |||
|
selected diffraction : 11 phrases in 7 subjects |
| Chemistry | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| Geology | 1 |
| Steel production | 1 |
| Technology | 2 |
| Textile industry | 1 |