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单词 hand spectroscope
释义

Definition of hand spectroscope in English:

hand spectroscope

noun
  • An optical instrument in the form of a small tube containing lenses and prisms, which can be held in the hand to show the composition of the light from a source.

Origin

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

Definition of hand spectroscope in US English:

hand spectroscope

noun
  • An optical instrument in the form of a small tube containing lenses and prisms, which can be held in the hand to show the composition of the light from a source.

Origin

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

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更新时间:2024/10/19 11:36:04