“rooted tree”简单造句，rooted tree造句子

The height of a rooted tree is the number of edges on the longest downward path between the root and a leaf.

The cliff stone gap rooted trees Qiu loose, like a dragon, Breeze Blows Buddha, like the Dragon fly.

This paper proposes rooted tree to model DG island separation according to the radial structure and service restoration process of distribution system.