并列题名：Reseasrch on construction of eco-industrial chain (EIC) system Reseasrch on construction of eco-industrial chain (EIC) system 并列题名：Research on construction contract credit system 并列题名：Research on the construction of China's social credit supervision system 并列题名：Research on mutton sheep industry chain system 并列题名：Research on the construction of local financial system 并列题名：Research on the construction of the co-opetition medical care system 并列题名：Research on construction of diversified agricultural technology extension system 并列题名：Research on the construction of school moral education system 并列题名：Research on the construction of urban community elderly care service system