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| 马赫数速度与音速的比值 | |||
| Ma数 | |||
| 马赫数 | |||
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| 马赫数｛物｝ | |||
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| 马赫数 | |||
| English thesaurus | |||
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| The ratio of the speed of an object to the local speed of sound | |||
| M | |||
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| 4 digit number identifying PSDS input device (MODS report abbreviation) | |||
| Mach number: 73 phrases in 10 subjects |
| Aerohydrodynamics | 1 |
| Aviation | 22 |
| Compressors | 3 |
| General | 2 |
| Hydraulics | 1 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Space | 22 |
| Technology | 18 |
| Wind Energy | 2 |