单词 | terahertz |
释义 | terahertznoun tera·hertz ˈter-ə-ˌhərts -ˌherts plural terahertz : a unit of frequency equal to one trillion hertz Visible light occupies the neighborhood of 300 terahertz, which is 300 x 1012 cycles per second. Dave Doody Terahertz waves also occupy a unique window of the electromagnetic spectrum where a large number of molecules emit and absorb radiation. Michael C. Wanke et al. |
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