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| straight-forward system | |||
| 直通制: 20 phrases in 9 subjects |
| Aviation | 2 |
| Economy | 1 |
| Electronics | 2 |
| Information technology | 1 |
| Metallurgy | 1 |
| Piezoelectric crystals | 1 |
| Rail transport | 4 |
| Technology | 7 |
| Telecommunications | 1 |
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