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|
observation : 1353 phrases in 69 subjects |
| Agriculture | 15 |
| Alternative dispute resolution | 1 |
| Analytical chemistry | 2 |
| Armored vehicles | 10 |
| Astronautics | 74 |
| Astronomy | 41 |
| Automated equipment | 3 |
| Aviation | 182 |
| Banking | 1 |
| Biology | 2 |
| Biometry | 3 |
| Business | 3 |
| Chemistry | 5 |
| Computers | 1 |
| Construction | 10 |
| Corporate governance | 2 |
| Criminal law | 1 |
| Cybernetics | 1 |
| Dentistry | 2 |
| Ecology | 2 |
| Economics | 1 |
| Education | 1 |
| Electronics | 1 |
| Environment | 3 |
| Finances | 1 |
| Fishery fishing industry | 4 |
| Food industry | 1 |
| Forestry | 1 |
| General | 38 |
| Geology | 17 |
| Geophysics | 62 |
| Hydraulic engineering | 13 |
| Information technology | 2 |
| International law | 1 |
| International Monetary Fund | 6 |
| Journalism terminology | 9 |
| Law | 11 |
| Mathematics | 57 |
| Mechanic engineering | 27 |
| Medical | 8 |
| Medical appliances | 1 |
| Metallurgy | 10 |
| Meteorology | 70 |
| Military | 287 |
| Military aviation | 1 |
| Mining | 5 |
| Name of organization | 5 |
| Natural resourses and wildlife conservation | 22 |
| Nuclear physics | 6 |
| Obsolete / dated | 16 |
| Oil and gas technology | 13 |
| Optics branch of physics | 4 |
| Patents | 9 |
| Physics | 5 |
| Politics | 18 |
| Radio | 11 |
| Remote sensing | 6 |
| Security systems | 1 |
| Shipbuilding | 6 |
| Sociology | 1 |
| Spectroscopy | 2 |
| Statistics | 2 |
| Surveying | 107 |
| Swimming | 1 |
| Taxes | 1 |
| Technology | 44 |
| Trucks/Lorries | 3 |
| United Nations | 17 |
| World war II | 54 |