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柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    子午线;经线
    A meridian is an imaginary line from the North Pole to the South Pole. Meridians are drawn on maps to help you describe the position of a place.
英汉词典释义
英英词典释义
  • Noun
    1. an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator;
    "all points on the same meridian have the same longitude"
  • Adjective
    1. of or happening at noon;
    "meridian hour"
行业词典
  • 体育: 子午线;
    医学: 子午线,经线:位于球面体表面的假想线,另见meridianus项下;经络;
    天文学: 子午圈;过天极的地平经圈,与地平圈交于南点和北点。;子午线;过天体表面一点和自转轴的平面与其表面相交的弧线。;
    旅游: 经脉;
    测绘: 子午圈;椭球子午面与椭球面的截线。;
    航海科技: 子午线;
    船舶: 子午线;南北基准线。指通过地球两个极的大圆。;
    解剖学: 经线;又称 :经线(Meridiani(拉));