Pinyin Dictionary results for "ma he"

马赫
Mach (name); Ernst Mach (1838-1916), German physicist; Mach (aeronautics), unit of speed based on speed of sound = 1 Mach = 1224 km per hr
马赫数
Mach number, multiples of speed of sound used as unit in aeronautics, with 1 Mach = 1224 km per hr
乌马河区
Wumahe district of Yichun city 伊春市[Yi1 chun1 shi4], Heilongjiang
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