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collimator英英字典_collimator剑桥英语解释_collimator柯林斯英文解释_甲百汇小鸡词典
甲百汇小鸡词典

collimator

C 开头单词

柯林斯词典

    collimator /ˈkɒlɪˌmeɪtə/

  • 1. N a small telescope attached to a larger optical instrument as an aid in fixing its line of sight 准直仪

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