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单词 nodal point
释义

Definition of nodal point in English:

nodal point

noun

  • Optics either of two points on the optic axis of a lens or lens system such that the straight line joining one of them to a point on the object is parallel to the line joining the other to the corresponding point on the image.

Origin

Early 19th century.

Definition of nodal point in US English:

nodal point

noun

  • Optics either of two points on the optic axis of a lens or lens system such that the straight line joining one of them to a point on the object is parallel to the line joining the other to the corresponding point on the image.

Origin

Early 19th century.
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更新时间：2025/7/5 1:44:06