sunspot
| minimum
| sunspot | |
| gen. | mancha solar |
| minimum | |
| gen. | minimum |
| life.sc. environ. | concentración mínima de ozono |
| math. | mínimo |
| med. | minimo |
| nat.sc. | mínimo de actividad solar |
| minimums | |
| life.sc. agric. | mínimos |
| |||
| manchas solares | |||
| |||
| mancha solar | |||
|
sunspot : 30 phrases in 6 subjects |
| Communications | 2 |
| General | 1 |
| Life sciences | 14 |
| Natural sciences | 10 |
| Radio | 2 |
| Technology | 1 |