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零位调整 |
checking for: 45 phrases in 15 subjects |
Automobiles | 3 |
Aviation | 1 |
Bridge construction | 2 |
Business | 2 |
China | 3 |
Economy | 1 |
Electronics | 1 |
Finances | 1 |
General | 3 |
Librarianship | 9 |
Nautical | 1 |
Rail transport | 2 |
Space | 6 |
Submarines | 1 |
Technology | 9 |