The submillimeter wave plays a very important role between the infrared and millimeter wave in electromagnetic wave frequency spectrum. Therefore, it has important academic value.
亚毫米波在电磁波频谱中处于红外线与毫米波之间非常重要的位置，因此在学术上有很重要的研究价值。
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Terahertz (THz) wave, electromagnetic radiation between far infrared and millimeter wave, has very important academic and application value.