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| metric characteristic; metrical characteristic | |||
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量测性能 : 30 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 9 |
| Electronics | 8 |
| General | 2 |
| Geophysics | 1 |
| Space | 6 |
| Technology | 2 |
| Tools | 1 |
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