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| mass spectrographic method | |||
| mass-spectrometric analysis | |||
| mass-spectrography | |||
| mass spectroscopy | |||
| mass spectrometry | |||
| mass spectrography | |||
| 质谱分析法: 44 phrases in 9 subjects |
| Chemistry | 1 |
| Earth sciences | 4 |
| Electronics | 31 |
| Geology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 2 |
| Water resources | 1 |
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