puntos de referencia : 66 phrases in 19 subjects |
Commerce | 1 |
Communications | 9 |
Earth sciences | 1 |
Electronics | 2 |
Fishery fishing industry | 3 |
General | 6 |
Industry | 1 |
Information technology | 2 |
Insurance | 1 |
Life sciences | 11 |
Medical | 1 |
Natural sciences | 4 |
Physical sciences | 4 |
Piezoelectric crystals | 1 |
Politics | 1 |
Statistics | 2 |
Technology | 2 |
Transport | 12 |
United Nations | 2 |