sunspot
| minimum
| sunspot | |
| nat.sc. | tache solaire |
| minimum | |
| gen. | minimal |
| life.sc. environ. | concentration minimale d'ozone; concentration minimum d'ozone; minimum d'ozone; minimum |
| |||
| tache solaire | |||
|
sunspot : 59 phrases in 6 subjects |
| Astronomy | 16 |
| Communications | 2 |
| General | 1 |
| Life sciences | 22 |
| Natural sciences | 16 |
| Radio | 2 |