caustic curve
名词 n.
英文释义
名词 n.
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A curve to which the ray of light, reflected or refracted by another curve, are tangents, the reflecting or refracting curve and the luminous point being in one plane.
— Caustic curves and surfaces are called catacaustic when formed by reflection, and diacaustic when formed by refraction.
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数据来源: Wiktionary