射线计 : 147 phrases in 30 subjects |
Agriculture | 4 |
Animal husbandry | 2 |
Automobiles | 2 |
Aviation | 6 |
Business | 2 |
Cartography | 1 |
Computers | 2 |
Earth sciences | 5 |
Ecology | 1 |
Electronics | 25 |
Engineering geology | 1 |
General | 16 |
Geology | 3 |
Geophysics | 5 |
Information technology | 1 |
Life sciences | 1 |
Metallurgy | 25 |
Mining | 1 |
Multimedia | 1 |
NASA | 1 |
Oil / petroleum | 6 |
Physics | 1 |
Plastics | 1 |
Shipbuilding | 1 |
Space | 8 |
Sports | 1 |
Technology | 20 |
Telecommunications | 1 |
Textile industry | 2 |
United States | 1 |