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отношение масса/заряд |
mass/charge ratio: 21 phrases in 11 subjects |
Analytical chemistry | 2 |
Antennas and waveguides | 1 |
Astronautics | 2 |
Chemistry | 1 |
Energy industry | 2 |
Makarov | 1 |
Metrology | 1 |
Military | 1 |
Physics | 2 |
Technology | 7 |
Weapons of mass destruction | 1 |