 |
| fluctuación: 113 phrases in 26 subjects |
| Communications | 15 |
| Earth sciences | 9 |
| Economy | 10 |
| Electricity generation | 1 |
| Electronics | 17 |
| Environment | 1 |
| Finances | 23 |
| Forestry | 1 |
| General | 1 |
| Information technology | 1 |
| Insurance | 1 |
| International Monetary Fund | 3 |
| Law | 1 |
| Life sciences | 5 |
| Lighting other than cinema | 1 |
| Magnetics | 3 |
| Marketing | 1 |
| Mathematics | 4 |
| Medical | 2 |
| Natural sciences | 3 |
| Piezoelectric crystals | 3 |
| Radio | 1 |
| Statistics | 3 |
| Technology | 1 |
| Transport | 1 |
| Vacuum tubes | 1 |