穿孔: 1062 phrases in 41 subjects |
Agriculture | 1 |
Armored vehicles | 1 |
Astronautics | 3 |
Automated equipment | 6 |
Automobiles | 2 |
Aviation | 2 |
Biotechnology | 1 |
Botany | 1 |
Business | 4 |
Chemistry | 1 |
Computers | 35 |
Electronics | 31 |
Energy industry | 1 |
Engines | 1 |
General | 320 |
Geology | 1 |
Information technology | 86 |
Mathematics | 1 |
Mechanic engineering | 4 |
Medical | 72 |
Metallurgy | 6 |
Military | 22 |
Mining | 1 |
Nautical | 2 |
Oil / petroleum | 9 |
Oil and gas | 3 |
Oil and gas technology | 1 |
Oil processing plants | 18 |
Oilfields | 1 |
Patents | 3 |
Pipelines | 1 |
Polygraphy | 1 |
Radio | 2 |
Roll stock | 2 |
Security systems | 1 |
Shipbuilding | 1 |
Skydiving | 3 |
Technology | 401 |
Telecommunications | 2 |
Textile industry | 2 |
Zoology | 6 |