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单词 sub-band
释义

sub-band1

/ˈsʌbband/
noun
A subdivision of a band of North American Indians.

Origin

Early 19th century; earliest use found in Zebulon Pike (1779–1813), soldier and explorer. From sub- + band.

sub-band2

/ˈsʌbband/
noun
A band or layer (especially a band of frequencies or wavelengths) that forms part of a larger band.

Origin

Late 19th century; earliest use found in Proceedings of the Royal Society of London. From sub- + band.

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更新时间:2024/12/23 22:32:11