Hertz (name); Heinrich Hertz (1857-1894), German physicist and meteorologist, pioneer of electromagnetic radiation; Herz (Hz) or cycles per second, unit of frequency[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]