 |
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| relation des masses | |||
| rapport des masses | |||
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| rapport de masse (ракеты) | |||
| отношение масс: 25 phrases in 11 subjects |
| Agriculture | 1 |
| Analytical chemistry | 2 |
| Astronautics | 4 |
| Astronomy | 1 |
| Aviation | 8 |
| Chemistry | 1 |
| Forestry | 2 |
| High energy physics | 1 |
| Mechanic engineering | 1 |
| Mining | 1 |
| Technology | 3 |