[hɜːts] or [hɝts] 美式发音
(noun.) German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975).
(noun.) German physicist who was the first to produce electromagnetic waves artificially (1857-1894).
(noun.) the unit of frequency; one hertz has a periodic interval of one second.
黛拉校对
校对:贾斯廷