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单词 hertzes
释义

hertz /hûrts/

noun (pl hertz)

A derived SI unit, the unit of frequency (symbol Hz), that of a periodic phenomenon of which the periodic time is one second (sometimes called cycle per second in the UK)

ORIGIN: Heinrich Hertz (1857–94), German physicist

Hertzˈian adjective

Connected with Heinrich Hertz (see above)

Hertzian waves plural noun

Electromagnetic waves used in communicating information through space

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更新时间:2024/9/22 14:36:32