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identification of position | |||
position identification |
位置识别 : 21 phrases in 10 subjects |
Air defense | 1 |
Automobiles | 1 |
Aviation | 6 |
Communications | 1 |
Electronics | 5 |
Rail transport | 1 |
Space | 2 |
Technology | 2 |
Telecommunications | 1 |
Water resources | 1 |