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| Deuterium n; schwerer Wasserstoff; Wasserstoff 2 | |||
| deuterio: 81 phrases in 10 subjects |
| Chemistry | 27 |
| Earth sciences | 7 |
| Electronics | 5 |
| Environment | 2 |
| General | 9 |
| Mechanic engineering | 25 |
| Natural sciences | 1 |
| Nuclear and fusion power | 1 |
| Physical sciences | 3 |
| Technology | 1 |