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综合自动控制 : 11 phrases in 10 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| Economy | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 2 |
| Space | 1 |
| Technology | 1 |
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