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1 词典释义:
secondary mirror
时间: 2026-05-10 11:17:48

副镜

双语例句
  • In order to reduce the obscuration, conical baffle of secondary mirror is ameliorated into a shutter one.

    为了减小初始中心遮光比,将次镜锥状遮光罩改进为百叶窗式结构;

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