| 马赫 | [马 赫 / 馬 赫] Mach (name); Ernst Mach (1838-1916), German physicist; Mach (aeronautics), unit of speed based on speed of sound = 1 Mach = 1224 km per hr #16,633 [Add to Longdo] |
| 舒马赫 | [舒 马 赫 / 舒 馬 赫] Schumacher #10,583 [Add to Longdo] |
| 马赫数 | [马 赫 数 / 馬 赫 數] Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr #128,697 [Add to Longdo] |