By combining the rough set theory with the traditional graph theory, the equal definition of classical graph is presented based on the idea of rough set theory.

将粗糙集理论和传统图论相结合，给出基于粗糙集思想的传统图的等价定义及粗糙图的定义，并进一步给出了粗糙图的矩阵表示及粗糙图的粗糙性分析。

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Experiments show that the new optimized partition algorithm can improve the parallel simulation performance compared with the ones partitioned by traditional graph partition algorithms.

实验表明，该优化划分方法相对于传统的图划分算法能够有效地提高模拟性能。

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Experiments show that the new optimized partition algorithm can improve the parallel simulation performance compared with the ones partitioned by traditional graph partition algorithms.

实验表明，该优化划分方法相对于传统的图划分算法能够有效地提高模拟性能。

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