 |
| |||
| perturbation; perturber | |||
| perturbado: 22 phrases in 13 subjects |
| Agriculture | 1 |
| Communications | 2 |
| Earth sciences | 4 |
| Electronics | 1 |
| European Union | 1 |
| General | 1 |
| Life sciences | 4 |
| Materials science | 1 |
| Mathematics | 2 |
| Medical | 2 |
| Soil science | 1 |
| Telephony | 1 |
| United Nations | 1 |