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| recognition device | |||
| identification equipment | |||
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识别设备 : 40 phrases in 10 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 6 |
| Communications | 1 |
| Earth sciences | 1 |
| Electronics | 12 |
| Information technology | 3 |
| Space | 3 |
| Technology | 7 |
| Telecommunications | 4 |
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