cross section : 111 phrases in 21 subjects |
Agriculture | 2 |
Antennas and waveguides | 2 |
Chemistry | 1 |
Coal | 1 |
Communications | 4 |
Construction | 5 |
Earth sciences | 43 |
Electronics | 9 |
General | 8 |
Industry | 4 |
Information technology | 1 |
International Monetary Fund | 4 |
Law | 1 |
Life sciences | 6 |
Medical | 1 |
Metallurgy | 8 |
Nuclear physics | 1 |
Physical sciences | 1 |
Physics | 1 |
Statistics | 1 |
Transport | 7 |