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| 对数记分法 | |||
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log system : 32 phrases in 12 subjects |
| Agriculture | 2 |
| Aviation | 2 |
| Cryptography | 1 |
| Earth sciences | 1 |
| Electronics | 5 |
| Exhibitions | 1 |
| Geophysics | 7 |
| Information technology | 3 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 6 |
| Telecommunications | 1 |
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