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| electric scanning system | |||
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电子 扫描 系统 : 18 phrases in 12 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Business | 1 |
| Earth sciences | 2 |
| Electronics | 5 |
| General | 1 |
| Geology | 2 |
| Information technology | 1 |
| Space | 1 |
| Technology | 1 |
| Textile industry | 1 |
| Thermal Energy | 1 |
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