食材鋪反向词典

f-number

F 开头单词

基本解释

  • n. 焦距比數

英汉例句

    雙語例句

  • The matric characteristics and convergences on F-number space are investigated.
    探討了F數空間的度量特征及幾種收歛性的關系。
  • When shooting, use a high F-number, this will help to blur the background and focus on the water.
    拍攝過程中選用大光圈,這能模糊背景,從而關注水。
  • The aperture size (area of the aperture) of a lens could be calculated from focal length and the correspondent f-number.
    光圈孔的大小,可從鏡頭的焦距與焦距比數中計算出來。
  • 權威例句

  • Without an adequate number of F-22s, U.S. pilots could have a tough time matching the performance of their Chinese counterparts in a future struggle for control of the Pacific.
    FORBES: Inside Pentagon, Growing Alarm Over China's Military Prowess
  • An end-of-year report by Finnish software security company F-Secure highlights the growing number of hackers targeting Apple systems with malicious software, some of which could allow cybercriminals to steal security passwords.
    FORBES: Apples For The Army
  • Although the number of F-22 fighters was capped at 187, the Air Force would increase its long-range strike capabilities by 50 percent and the penetrating component of long-range strike by a factor of five by 2025.
    CENTERFORSECURITYPOLICY: Center for Security Policy
  • f-number更多例句

词组短语

    短語

  • F -number measure sphce 數測度空間
  • coude f -number 折軸焦點
  • effective f -number 密傚光闌
  • f - number l數
  • overall f -number 縂光圈大小
  • f-number更多词组

英英字典

    柯林斯英英字典

  • the numerical value of the relative aperture. If the relative aperture is f8, 8 is the f-number and indicates that the focal length of the lens is 8 times the size of the lens aperture &rarrsee alsoT-number
  • f-number剑桥字典
  • f-number柯林斯字典

专业释义

    物理學

  • 數
  • 攝影

  • 光圈值
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食材鋪反向词典 · 80125.cn