altitudes : 248 phrases in 37 subjects |
American usage, not spelling | 1 |
Astronautics | 2 |
Astronomy | 17 |
Automobiles | 3 |
Aviation | 14 |
British usage, not spelling | 1 |
Communications | 4 |
Construction | 4 |
Cultural studies | 2 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 1 |
Emergency medical care | 6 |
Environment | 2 |
Firefighting and fire-control systems | 1 |
Forestry | 1 |
General | 25 |
Geology | 1 |
High energy physics | 1 |
Information technology | 4 |
Life sciences | 12 |
Mathematics | 2 |
Measuring instruments | 7 |
Mechanic engineering | 1 |
Medical | 31 |
Medical appliances | 1 |
Meteorology | 2 |
Military | 1 |
Natural resourses and wildlife conservation | 4 |
Optics branch of physics | 43 |
Paragliding | 4 |
Physics | 16 |
Satellite communications | 2 |
Surveying | 1 |
Technology | 5 |
Transport | 21 |
Weapons and gunsmithing | 2 |