首先，基于网论t不变式的概念，把系统的网模型设计为一个公平网。

First of all, a fair net is obtained by adding some places that make the net have only one T-invariant.

youdao

首先，基于网论t不变式的概念，把系统的网模型设计为一个公平网。

First of all, a fair net is obtained by adding some places that make the net have only one T-invariant.

youdao