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水 平 线 : 139 phrases in 21 subjects |
Antennas and waveguides | 3 |
Armored vehicles | 1 |
Astronomy | 1 |
Aviation | 8 |
Business | 1 |
Cartography | 3 |
Electronics | 7 |
General | 42 |
Geology | 5 |
Hydrology | 1 |
Mathematics | 1 |
Military | 7 |
Nautical | 1 |
Oil processing plants | 3 |
Polygraphy | 1 |
Rail transport | 1 |
Shipbuilding | 1 |
Surveying | 2 |
Technology | 48 |
Topography | 1 |
Water supply | 1 |