connected graph的用法和样例：
例句
- A tree is a connected graph with no cycles.
一个树是一个没有圈的连通图。 - The topological sorting algorithm works on unconnected graphs as well as connected graphs.
拓扑排序算法既可以用于连通图，也可以用于非连通图。 - The algorithm can eliminate the redundant judgments more effectively in the process of identification compared with the algorithms in the directed liaison graph model.
与有向连接图模型中子装配体识别算法相比，能够有效消除识别过程中对两种类型子装配体的冗余判断。
