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| orientation measure | |||
| directional measurement; orientational measurement; oriented survey | |||
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定向测量 : 38 phrases in 12 subjects |
| Aviation | 2 |
| Drilling | 3 |
| Earth sciences | 2 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 2 |
| General | 3 |
| Geology | 1 |
| Geophysics | 5 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 4 |
| Space | 5 |
| Technology | 8 |
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