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单词 water telescope
释义

Definition of water telescope in English:

water telescope

noun

  • 1Astronomy a telescope whose tube is filled with water, used especially to investigate aberration of light and the propagation of light in different media (now historical and rare).

  • 2An instrument used to make observations beneath the surface of water, consisting of a container or tube with a transparent bottom.

Origin

Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.

Definition of water telescope in US English:

water telescope

noun

  • 1Astronomy a telescope whose tube is filled with water, used especially to investigate aberration of light and the propagation of light in different media (now historical and rare).

  • 2An instrument used to make observations beneath the surface of water, consisting of a container or tube with a transparent bottom.

Origin

Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.
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更新时间：2024/12/27 20:02:45