| 单词 | asphericity |
| 释义 | > as lemmasaspheˈricity aspheˈricity n. want of sphericity. ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [noun] > qualities of lenses power1673 refracting angle1676 resolution1831 depth of focus1852 astigmatism1859 aplanatism1869 apochromatism1887 covering power1895 coverage1936 asphericity1944 parfocality1955 1944 Jrnl. Optical Soc. Amer. May 279/2 The asphericity of its plates is about four times greater than the asphericity of a parabolic mirror of the same diameter. < as lemmas |
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