由于网络概率模型是由图论场模型法演绎而来，这样就将图论场模型法与出游法紧密联系在一起。

It is because that the network probability model is performed calculations from the graph-theoretic field model method (GTFM), so the GTFM and the EDM can be connected closely.

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为了降低认知系统的通信中断概率，提高认知系统的稳定性，在经典的图论着色模型基础上提出了一种改进的频谱分配算法。

In order to reduce the outage probability and enhance the stability of cognitive system, an improved algorithm of spectrum allocation based on classical graph coloring model was proposed.

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