 |
| |||
| variations séculaires en carbone 14 | |||
| variations progressives; variations séculaires | |||
| |||
| variation séculaire | |||
|
secular variations : 2 短语, 1 学科 |
| 天文学 | 2 |
|
| |||
| variations séculaires en carbone 14 | |||
| variations progressives; variations séculaires | |||
| |||
| variation séculaire | |||
|
secular variations : 2 短语, 1 学科 |
| 天文学 | 2 |