This paper argues first that atomic parts of a connected circular graph are still connected circular graphs. It also gives some natures about connectivity of connected circular graphs.

本文首先得到了循环图的原子部分仍为连通循环图的结果，同时还得到了连通循环图的连通度的一些性质。

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This is a surprising fact, given that circular references are a common occurrence for almost any persistent object graph.

这很让人意外，因为循环引用几乎出现在所有的持久化对象图中。

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Then, use GraphViz to generate the graph image (here, using circo, which specifies a circular layout). The process of generating this image is defined as follows.

首先，调用这个Ruby脚本收集图表数据(存储为graph . dot)；然后，使用GraphViz生成图表图像(这里使用circo，它指定一个圆形布局)。

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