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单词 Rowland circle
释义

Definition of Rowland circle in English:

Rowland circle

(also Rowland's circle)
noun
Physics

  • A circle on which the slit, (concave) diffraction grating, and detector of a spectrograph must all lie if all the spectral lines are to be brought to a focus on the detector.

Origin

Early 20th century; earliest use found in Astrophysical Journal.

Definition of Rowland circle in US English:

Rowland circle

(also Rowland's circle)
noun
Physics

  • A circle on which the slit, (concave) diffraction grating, and detector of a spectrograph must all lie if all the spectral lines are to be brought to a focus on the detector.

Origin

Early 20th century; earliest use found in Astrophysical Journal.
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更新时间：2025/6/18 16:06:01