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| multiple system | |||
| multibed system; multilevel system | |||
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多 级 系统 : 48 phrases in 14 subjects |
| Aviation | 2 |
| Business | 2 |
| Computers | 1 |
| Earth sciences | 1 |
| Electronics | 8 |
| Engineering geology | 1 |
| Geology | 1 |
| Information technology | 4 |
| Mathematics | 1 |
| Metallurgy | 3 |
| Polymers | 1 |
| Refrigeration | 4 |
| Space | 4 |
| Technology | 15 |
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