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有 效的 : 289 phrases in 31 subjects |
Advertising | 1 |
Antennas and waveguides | 1 |
Banking | 1 |
Business | 20 |
Computers | 1 |
Economy | 2 |
Education | 11 |
Electronics | 15 |
Finances | 2 |
General | 151 |
Geology | 1 |
Informal | 1 |
Information technology | 2 |
International Monetary Fund | 3 |
Laser medicine | 2 |
Law | 12 |
Mathematics | 1 |
Medical | 1 |
Military | 3 |
Missiles | 1 |
Name of organization | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 1 |
Oil processing plants | 2 |
Oilfields | 1 |
Patents | 2 |
Production | 1 |
Space | 2 |
Technology | 40 |
Telecommunications | 1 |
United Nations | 5 |