The other part of the project is an undirected search which is monitoring all of space with a lower sensitivity, using the smaller antennas of NASA's Deep Space Network.
该项目的另一部分是无定向搜索，使用 NASA 深空网络的小型天线，以较低的灵敏度监测所有空间。
To enumerate all spanning trees in undirected graphs is an important problem that people frequently encounter in the analysis of network and cycle.
求无向图的生成树是在网络和回路分析中经常遇到的重要问题。
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