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单词 凹透镜
释义 文馨英漢☞凹透鏡凹透镜 āotòujìngconcave lens凹透镜【理】concave lens凹透镜 āo tòu jìng concave lens凹透镜[āo tòu jìng]透镜的一种,中央比四周薄,平行光线透过后向四外散射。近视眼镜的镜片就属于这个类型。concave lens, with its centre thinner than its edge, diverging in all directions the parallel rays that have penetrated its surface. The lenses of spectacles worn by a nearsighted person are of this type.亦 also 发散透镜 fāsàn tòujìng凹透镜1. a concave lens凹透镜dispersive lens凹透镜concave lens凹透镜minus lens双向☞发散透镜--凹透镜双向☞散光透镜--凹透镜凹透镜concave lens
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