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库控制系统 : 33 phrases in 11 subjects |
| Aviation | 9 |
| Business | 2 |
| Earth sciences | 1 |
| Economy | 1 |
| Electronics | 9 |
| General | 1 |
| Information technology | 3 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 1 |
| Textile industry | 1 |
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