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.
摘要构建了一个纬表象为平行于赤道的直
,经
表象为对称于中央直经
的双
,
面积没有
形的投影
,
得到一组概括公式。