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| 方向法 | |||
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direction method : 39 phrases in 14 subjects |
| Agriculture | 1 |
| Artificial intelligence | 1 |
| Aviation | 2 |
| Biotechnology | 1 |
| Drilling | 1 |
| Earth sciences | 7 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Space | 4 |
| Technology | 16 |