双语例句
- Just as a double convex lens enlarges, so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
权威例句
concave lensconcave lensEffects of concave lens on eyes of guinea pigNegative refraction and plano-concave lens focusing in one-dimensional photonic crystalsMulti-functional, optofluidic, in-plane, bi-concave lens: tuning light beam from focused to divergentLithographic fabrication of large diffractive optical elements on a concave lens surfaceFabrication of large diffractive optical elements in thick film on a concave lens surface.Strongly frequency dependent focusing efficiency of a concave lens based on two-dimensional photonic crystalsBeamforming by Left-Handed Extraordinary Transmission Metamaterial Bi- and Plano-Concave Lens at Millimeter-WavesStrong focusing properties and far-field focus in the two-dimensional photonic-crystal-based concave lens
