 |
| |||
| миллиардная доля (oleg.vigodsky) | |||
| part per billion: 2 phrases in 2 subjects |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| миллиардная доля (oleg.vigodsky) | |||
| part per billion: 2 phrases in 2 subjects |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 1 |