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display character : 34 phrases in 9 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Electronics | 8 |
| Information technology | 6 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Space | 6 |
| Technology | 9 |
| Telecommunications | 1 |
|
| |||
| 显示字符 | |||
|
display character : 34 phrases in 9 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Electronics | 8 |
| Information technology | 6 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Space | 6 |
| Technology | 9 |
| Telecommunications | 1 |