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multiple timing |
同时计时: 27 phrases in 14 subjects |
Advertising | 3 |
Agriculture | 1 |
Bridge construction | 1 |
Business | 2 |
China | 1 |
Economy | 2 |
Electronics | 2 |
General | 2 |
Information technology | 1 |
Mathematics | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Sports | 2 |
Technology | 7 |