编队内各导弹采用相邻局部通信，编队之间则通过各编队通信拓扑生成树的根节点进行通信。

The missiles within a group communicate by means of the nearest-neighbor topology, while communication between groups is implemented through the root nodes of the group topology spanning tree.

youdao

采用这种方法进行挖掘，无需生成候选集，而且一次就可以挖掘出所有以根节点为后缀的连续频繁访问路径。

In the mining procedure no candidate generation is required, and only one time, we can obtain all the continuous access paths that take the root of IWAP-Tree as suffix.

youdao