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| 位码 | |||
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bit code : 26 phrases in 14 subjects |
| Aviation | 1 |
| Business | 1 |
| Communications | 1 |
| Construction | 1 |
| Drilling | 1 |
| Economics | 1 |
| Electronics | 3 |
| Information technology | 2 |
| Management | 1 |
| Mathematics | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 5 |
| Telecommunications | 4 |