The relationship matrix, relationship intensity matrix and its reachable matrix between the function set and the sub-system set are set up, therefore the system structure is established.

关系矩阵，关系强度矩阵及其可达矩阵之间的函数集和副系统集都成立，因此，该系统的结构建立。

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The relationship matrix, relationship intensity matrix and its reachable matrix between the function set and the sub-system set are set up, therefore the system structure is established.

关系矩阵，关系强度矩阵及其可达矩阵之间的函数集和副系统集都成立，因此，该系统的结构建立。

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