“positive meniscus lens”的概念、定义、翻译、参考文献-科学参考

单词	positive meniscus lens
释义	positive meniscus lens [`päz·ǝd·iv mǝ`nis·kǝs ´lenz] ^OPTICS A lens having one convex (bulging) and one concave (depressed) surface, with the radius of curvature of the convex surface smaller than that of the concave surface.
随便看	local base level local battery local-battery telephone set local buckling local cable local cell local central office local change local circuit local civil time local cluster of stars local coefficient local coefficient of heat transfer local control local controller local coordinate system local derivative local device local distortion local exchange local extra observation local first selector local forecast Local Group local hidden-variable theory

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