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| 震源至地面的垂线 | |||
| 震源至震中连线; 地震垂线 | |||
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seismic vertical : 46 phrases in 6 subjects |
| Bridge construction | 4 |
| Earth sciences | 2 |
| Geophysics | 21 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 11 |
| Technology | 7 |
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