馬赫數

mǎhèshù

Mach number; Mach

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mǎ hè shù

n. mach number

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Ma3 he4 shu4

Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr

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馬赫數|马赫数 [Mǎ hè shù] ► Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr