指出在今后的研究中可以深入发掘社会核算矩阵的功能，对SAM表的精确度进行衡量是一个重要的研究方向。

In future studies, we can explore in depth the function of social accounting matrix, the measurement of the accuracy of SAM is an important research direction.

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由于采用了分节计算，所以仅需计算小矩阵，节约了计算时间。一个大的VIS - SC滤波器也可很快地被分析出来，且精确度高。

Only small matrices have to be processed, which saves computation time, so that even large VIS-SO filters can be analyzed very fast and with high accuracy.

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