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单词 extension ring
释义
extension ring
  • 简明释义
  • 伸长环;近摄接圈
  • 网络释义
  • 1

    ?近摄接圈

    ...直接使用微距镜头(macro lens)进行,也可在普通镜头上加上近摄附加镜’( close一up attachment lens) ,近摄接圈(extension ring)、皮腔(bellows)等缩短摄距进行。微距镜头分为微距摄影专用型与通用型两类。

  • 2

    ?伸长环

    ... extension pruner with additional pole section 接杆修树枝剪 extension ring 伸长环 extension rod 伸长杆 ...

  • 3

    ?近拍接圈

    近拍接圈 ( extension ring ) 又称中间接圈。安装在照相镜头与机身之间用于近拍的接圈。

短语
  • 双语例句
  • 1
    This text mainly points out that the extension of the ring power-supply network in the urban medium-voltage power supply is a comparatively reasonable way of power supply with certain advantages.
    文章重点提出在城市中压电网中推广环网供电方式是一种较为合理的具有一定优势的供电方式。
  • 2
    As an extension of the Expo Axis, ShangnanRoad connects the largest main entrance and the outer ring road of Shanghai, and is one of the south-north transportation arteries in Pudong.
    作为上海世博会世博轴延伸的世博上南路,其连接着世博会最大的主入口与外环线,是浦东南北交通的大动脉之一。
  • 3
    This peper gives two necessary and sufficient conditions for a ring to be a nil MHR-ring. It is obtained that any nil MHR-ring is extension closed.
    给出满足主右理想极小条件诣零环的两个充要条件,此类环是扩张闭的。
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更新时间:2025/4/17 8:09:28