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单词 principal ray
释义

Principal ray


(Persp.) the line drawn through the point of sight perpendicular to the perspective plane.

See also: Principal


principal ray


principal ray

[′prin·sə·pəl ′rā] (optics) The one ray within a bundle of incident rays that, upon entering an optical instrument from any given point of the object, passes through the optical center of the lens. principal visual ray
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更新时间:2024/11/12 9:09:11