| 单词 | optic axis |
| 释义 | optic axis (once / 622069 pages) n WORD FAMILY optic axis: optic axises USAGE EXAMPLESA surface expressing the optical relations of such crystals is thus an ellipsoid of revolution about the optic axis. Various, Encyclopaedia Britannica, 11th Edit...(2012) In the oceanic Decapoda the cornea does not completely close, but leaves a central aperture traversed by the optic axis. Various, Encyclopaedia Britannica, 11th Edit...(2010) This direction of no double refraction is called the optic axis of the crystal. Tyndall, John, Six Lectures on Light—Delivered In...(2010) 1n in a doubly refracting crystal, the line in the direction of which no double refraction occurs Hyper axis a straight line through a body or figure that satisfies certain conditions 2n a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted in a normal eye the optic axis is the direction in which objects are seen most distinctly Syn|Hyper principal axis axis a straight line through a body or figure that satisfies certain conditions |
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