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地平面 : 90 phrases in 17 subjects |
Agriculture | 1 |
Antennas and waveguides | 2 |
Aviation | 4 |
Business | 2 |
Cartography | 3 |
Construction | 2 |
Education | 1 |
Electronics | 8 |
General | 33 |
Geology | 4 |
Mathematics | 1 |
Military | 2 |
Mining | 1 |
Name of organization | 1 |
Oil and gas | 1 |
Technology | 23 |
United Nations | 1 |