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词汇 absorption band
释义

Definition of absorption band in English:

absorption band

noun
Physics
  • A dark region in the spectrum of electromagnetic radiation transmitted through a substance, due to absorption in a particular range of wavelengths.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.

Definition of absorption band in US English:

absorption band

noun
Physics
  • A dark region in the spectrum of electromagnetic radiation transmitted through a substance, due to absorption in a particular range of wavelengths.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.

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