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单词 prism diopter
释义 DictionarySeediopter

prism diopter


prism diopter

[′priz·əm dī′äp·tər] (optics) A unit used in measuring the deviating power of a prism; this power in prism diopters is 100 times the tangent of the angle of deviation of a ray of light.

prism diopter


prism di·op·ter (p.d.),

the unit of measurement of the deviation of light in passing through a prism, being a deflection of 1 cm at a distance of 1 m.
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