中文字幕精品视频在线|中文字幕在线观看|亚洲v日本v欧美v在线播放|伊人网中文字幕

<nav id="3u6n6"></nav><samp id="3u6n6"><tr id="3u6n6"><track id="3u6n6"></track></tr></samp>
    <legend id="3u6n6"><fieldset id="3u6n6"></fieldset></legend>

      
      

    1. 首頁英語詞典sectorsector英英釋意

      sector

      英 ['sekt?] 美['s?kt?]
      • n. 部門;扇形,扇區(qū);象限儀;函數(shù)尺
      • vt. 把…分成扇形

      英英釋意


      1. a plane figure bounded by two radii and the included arc of a circle
      2. a body of people who form part of society or economy;
      "the public sector"
      3. a particular aspect of life or activity;
      "he was helpless in an important sector of his life"
      4. the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
      5. a portion of a military position
      6. measuring instrument consisting of two graduated arms hinged at one end