In the map of a place, addresses that are physically close to each other in life get placed physically near each other in the map. But in a map of the internet, how would you define closeness? Russian ...

map文件也是一个ASCII文本文件，它的每一行都定义了一个图像区域以及当该区域被触发 后应返回的URL信息。 此文件的一般格式有以下四种： 1.园形区域： circle (x, y) r URL 2.矩形区域： rectangle (x0,y0) (x1,y1) URL 3.多边形区域：ploygon (x0, y0) (x1,y1) (x2,y2) . . . URL 4.缺省 ...