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circulation是什么意思？

circulation

英[ˌsɜːkjəˈleɪʃn] 美[ˌsɜːrkjəˈleɪʃn]
  • 复数：circulations;
    • 相关单词 circulation of false reportscirculation pumpcirculationsmedium of circulationmicrocirculationsupercirculation
    例句
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    同义词
    词组
    • in (或out of) circulation
      available (or unavailable) to the public; in (or not in) general use （不）在流通中；（不）在使用中
    英语六级真题
    • The circulation of newspapers.
      出自-2012年6月听力原文
    • The immediate effect of printing was to increase the circulation of works that were already popular in a handwritten form, while less popular works went out of circulation.
      2017年12月六级真题（第一套）听力 Section B
    • Then there were the face slimming rollers that were said to improve your blood circulation and make your face smaller.
      2019年6月六级真题（第一套）听力 Section C
    柯林斯高阶英汉双解学习词典释义
    英汉词典释义
    英英词典释义
    • Noun
      1. the dissemination of copies of periodicals (as newspapers or magazines)
      2. movement through a circuit; especially the movement of blood through the heart and blood vessels
      3. (library science) the count of books that are loaned by a library over a specified period
      4. number of copies of a newspaper or magazine that are sold;
      "by increasing its circulation the newspaper hoped to increase its advertising"
      5. free movement or passage through a series of vessels (as of water through pipes or sap through a plant)
      6. the spread or transmission of something (as news or money) to a wider group or area
    行业词典
    • 体育： 流动；循环；环流；
      力学： 环流；环量；
      动物学： 循环；
      化工： 环流；
      医学： 循环：在有规律的或环行的路线中运动，如血液经心脏和血管的运动；
      数学： 环流［量］；
      物理学： 环流；
      电工： 环流量；
      航天： 环量；
      航空： 环量；流体速度与弧微分矢量的内积，沿一有向简单封闭曲线的线积分。；