1.jie yuan.research on urban resource allocation and regional environmental innovation in hefei metropolitan area,iop conference series earth and environmental science,2021.01 2.袁杰,袁国军.资产评估中城商行存款预测模型的选择与效果分析[j].皖西学院学报,2019,35(06):67-71. 3.jie yuan . analysis on the differences of capital structure industry of chinese listed companies and their changing trends,acm international conference proceeding series,p 190-194, 2019.05 4.袁杰,袁汝华.水利科技成果评价指标体系构建及应用[j].重庆理工大学学报(自然科学),2016,30(03):134-139. 5.jie yuan.chinese natural gas consumption forecast and shale gas development based on grey model ,advanced materials research,2014 , 962-965 :1737-1740 |