| 单词 | Mach 3 |
| 释义 | Examples:Mach (aeronautics), unit of speed based on speed of sound = 1 Mach = 1224 km per hr—马赫 Ernst Mach (1838-1916), German physicist—马赫 Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr—马赫数 Mach (name)—马赫 |
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