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| datum plane | |||
| level1ing base | |||
| leveling base | |||
| datum water level | |||
| 水准 基 面: 24 phrases in 12 subjects |
| Architecture | 2 |
| Aviation | 2 |
| Earth sciences | 1 |
| Engineering geology | 4 |
| General | 1 |
| Geophysics | 1 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 6 |
| Telecommunications | 1 |
| Wind Energy | 1 |
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