A complete bipartite graph is a simple bipartite graph with bipartition.完全偶图是具有二分类的简单偶图.If enough edges have been drawn to make the figure connected the graph is called bipartite.如果有足够的线使图连通,这图称为双图.This graph is NOT bipa...
我将专攻地理学.I shall confine myself to the subject of geography.森林学和地理学有关.Forestry appertains to geography.那时正是地理学真正开始发生改变、许多新观念兴起的时候。It was just when geography was really beginning to change and lots of new ideas were coming...