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图 解 : 304 phrases in 35 subjects |
Antennas and waveguides | 1 |
Automobiles | 1 |
Aviation | 1 |
Business | 5 |
Cartography | 5 |
Computers | 1 |
Construction | 6 |
Ecology | 1 |
Economy | 2 |
Education | 12 |
Electronics | 10 |
Firefighting and fire-control systems | 1 |
Forestry | 2 |
General | 94 |
Geography | 1 |
Geology | 3 |
Geophysics | 1 |
Heating | 1 |
Information technology | 4 |
Mathematics | 16 |
Medical | 1 |
Meteorology | 1 |
Metrology | 1 |
Military | 12 |
Nautical | 4 |
Oil and gas | 8 |
Oil processing plants | 6 |
Photography | 3 |
Physics | 1 |
Production | 1 |
Seismology | 1 |
Technology | 94 |
Telephony | 1 |
Television | 1 |
United Nations | 1 |