An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

 
  • 摘要构建了一个纬线表象为平行于赤道的直线,经线表象为对称于中央直经线的双曲线,且面积没有变形的投影集合,并得到一组概括公式。
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