| 单词 | Caustic |
| 释义 | CausticThe curve which is the Envelope of reflected (Catacaustic) or refracted (Diacaustic) rays of a givencurve for a light source at a given point (known as the Radiant Point). The caustic is the Evolute of theOrthotomic.
Lawrence, J. D. A Catalog of Special Plane Curves. New York: Dover, p. 60, 1972. Lee, X. ``Caustics.''http://www.best.com/~xah/SpecialPlaneCurves_dir/Caustics_dir/caustics.html. Lockwood, E. H. ``Caustic Curves.'' Ch. 24 in A Book of Curves. Cambridge, England: Cambridge University Press, pp. 182-185, 1967. Yates, R. C. ``Caustics.'' A Handbook on Curves and Their Properties. Ann Arbor, MI: J. W. Edwards, pp. 15-20, 1952. |
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