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单词 θ78688
释义
the world > matter > physics > electromagnetic radiation > [noun] > wavelength (10)
wavelength1915

Electromagnetic waves of the wavelength described.

decimetre wave1929

an electromagnetic wave with a wavelength between one decimetre and one metre, corresponding to a frequency between three gigahertz and 300…

Subcategories:

— number of waves per unit length (1)
— instrument for analysing (1)
— range for which medium is transparent (1)
— device for guiding (2)
— wave guided by (1)
— device for investigating standing waves (1)
— concentration (1)
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更新时间:2025/1/12 3:28:16