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单词 plano-convex
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pla•no-con•vex  (plā′nō konveks, -kon veks, -kən-),USA pronunciation adj. [Optics.]
  1. Opticspertaining to or noting a lens that is plane on one side and convex on the other. See diag. under lens. 
  • plano-1 + convex 1655–65

Collins Concise English Dictionary © HarperCollins Publishers::
plano-convex /ˌpleɪnəʊˈkɒnvɛks/ adj
  1. (of a lens) having one side convex and the other side plane
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