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单词 hertz
释义
hertzhertz /hɚts/ noun (plural hertz) [countable] Etymology (written abbreviation Hz) science, physics a unit used to measure frequency. One hertz is one cycle each second. [Origin: 1800–1900 Heinrich Hertz (1857–1894), German scientist who worked on energy waves]
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更新时间:2025/1/9 10:35:42