单词乎

concave lens

concave lens是什么意思、concave lens怎么读

concave lens汉语翻译

【化】 凹透镜
【医】 凹透镜, 近视镜片

concave lens英语解释

名词 concave lens:

  1. a lens such that a parallel beam of light passing through it is caused to diverge or spread out
    同义词:diverging lens

concave lens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。
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