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| 测距时间 | |||
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range timing : 13 phrases in 8 subjects |
| Air defense | 1 |
| Automobiles | 3 |
| Metallurgy | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Project management | 1 |
| Space | 3 |
| Technology | 1 |
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