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单词 concave lens
释义

concave lens

听听怎么读
英 [k?n?ke?v lenz]
美 [kɑn?kev l?nz]
是什么意思
  • 释义

    凹透镜;负透镜;

  • 英英释义

    concave lens

    • n.a lens such that a parallel beam of light passing through it is caused to diverge or spread out

      同义词:diverging lens

    学习怎么用

    双语例句

    1. 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 lens
    concave lens
    Effects of concave lens on eyes of guinea pig
    Negative refraction and plano-concave lens focusing in one-dimensional photonic crystals
    Multi-functional, optofluidic, in-plane, bi-concave lens: tuning light beam from focused to divergent
    Lithographic fabrication of large diffractive optical elements on a concave lens surface
    Fabrication 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 crystals
    Beamforming by Left-Handed Extraordinary Transmission Metamaterial Bi- and Plano-Concave Lens at Millimeter-Waves
    Strong focusing properties and far-field focus in the two-dimensional photonic-crystal-based concave lens
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