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精确度测度 : 14 phrases in 10 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| Commerce | 1 |
| Economy | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 3 |
| Tools | 1 |
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