quadrant

听听怎么读
英 [ˈkwɒdrənt]
美 [ˈkwɑdrənt]
是什么意思
  • n.

    四分之一圆;扇形体;象限仪;四分仪

  • 变形

    复数:quadrants

    英英释义

    quadrant[ 'kwɔdrənt ]

    • n.
      • a quarter of the circumference of a circle

        同义词:right angle

      • a quarter of the circumference of a circle

        同义词:quarter-circle

      • any of the four areas into which a plane is divided by two orthogonal coordinate axes
      • the area enclosed by two perpendicular radii of a circle
      • a measuring instrument for measuring altitude of heavenly bodies
    学习怎么用

    双语例句

    用作名词(n.)
    1. A symbol appears in an upper quadrant of the screen.
      一个符号出现在屏幕上端的四分圆的地方。
    2. The line AB lies in the second quadrant.
      线段AB是处在第二象限中。

    权威例句

    Quadrant sparing of the macula
    Safe control of four-quadrant switches
    Quadrantectomy versus lumpectomy for small size breast cancer
    The Four Quadrant Phase Mask Coronagraph and its avatars
    Pasteur's Quadrant: Basic science and technological innovation
    Four-quadrant assessment of amniotic fluid volume. Interobserver and intraobserver variation.
    Arrangement for increasing the fill factor in a four-quadrant-type detector
    Amniotic fluid volume assessment with the four-quadrant technique at 36-42 weeks' gestation
    Comparing radical mastectomy with quadrantectomy, axillary dissection, and radiotherapy in patients with small cancers of the breast.
    Conservative treatment of early breast cancer. Long-term results of 1232 cases treated with quadrantectomy, axillary dissection, and...
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