短語詞組短語perspective cylindrical projection 透視圓柱投影circumcenter perspective azimuthal projection 外心透視方位投影perspective conical projection 透視圓錐投影perspective zenithal projection 天頂透視投影perspective e projection 透視投影double perspective cylindrical projection 雙重透視圓柱投影perspective azimuthal projection [測]透視方位投影simple perspective cylindrical projection 透視單圓柱投影perspective map projection 透視投影 返回 perspective projection