马赫数

马赫数	mǎ hè shù	(physics) Mach number
马	Mǎ	surname Ma / abbr. for Malaysia 马来西亚
马	mǎ	horse / CL:匹 / horse or cavalry piece in Chinese chess / knight in Western chess
马赫	Mǎ hè	Ernst Mach (1838–1916), Austrian physicist and philosopher
马赫	mǎ hè	(physics) Mach; Mach number
赫	Hè	surname He
赫	hè	awe-inspiring / abbr. for 赫兹, hertz (Hz)
数	shǔ	to count / to count as; to regard as / to enumerate; to list
数	shù	number; figure / several; a few
数	shuò	(literary) frequently; repeatedly