有一家名为斯波斯曼的自行车俱乐部,其中的会员来自各行各业,共同的爱好使得大家聚在了一起,有事没事都常来这里谈天说地.这不.俱乐部的酒吧里又聚集了一帮会员,开始小酌漫谈了,聊着聊着,大家的注意力集中到一个耐人琢磨的路程问题上.问题:圣马丽和圣利安是两个村庄,两者之间的道路由一段平路和一段斜坡构成,如图1.每个周末,分别居住在这两个村庄的两个会员,都会同时出发,骑车驶向对方的村庄,到 There is a bicycle club named Spursman, whose members come from all walks of life, the common hobby makes everyone together, nothing happens often to come here to talk .That is not .A club bar and gathered a group of members , Began to talk about drinking, chatting, everyone’s attention focused on a questionable path.Question: St. Mary and St.Lian are two villages, the road between the two by a flat road And a section of slope, as shown in Figure 1. Each weekend, two members residing in the two villages, respectively, will start at the same time, ride to the other village, to