pla·no-con·vex /-(ˌ)kɑnˈvɛks, ˈkɑnˌ, kənˈ/
(a.)平凸的
pla·no-con·vex /-(ˌ)kɑnˈvɛks, ˈkɑnˌ, kənˈ/ 形容詞
Pla·no-con·vex a. Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.
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planoconvex
adj : flat on one side and convex on the other