高 差 : 180 phrases in 21 subjects |
Astronautics | 1 |
Astronomy | 5 |
Automobiles | 2 |
Aviation | 5 |
Business | 3 |
Cartography | 9 |
Chemistry | 1 |
Electronics | 8 |
General | 40 |
Geology | 6 |
Mathematics | 3 |
Measuring instruments | 3 |
Mechanics | 1 |
Metrology | 1 |
Military | 19 |
Nautical | 3 |
Oil processing plants | 4 |
Photography | 1 |
Silicate industry | 1 |
Surveying | 1 |
Technology | 63 |