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方向法 |
direction method : 38 phrases in 13 subjects |
Agriculture | 1 |
Artificial intelligence | 1 |
Aviation | 2 |
Drilling | 1 |
Earth sciences | 7 |
Electronics | 1 |
General | 1 |
Information technology | 1 |
Mathematics | 1 |
Metallurgy | 1 |
Mining | 1 |
Space | 4 |
Technology | 16 |