Research on the coordinated development of Chinese marine eco-economic system 并列题名：Research on the coordinated development of Chinese marine eco-economic system Research on the coordinated development mechanism of regional economy in China Research on the coordinated development model of agricultural industrial system Research on the coordinated development of logistics industry and regional economy in Xinjiang 并列题名：Research on the coordinated development mechanism of regional economy in China Research on the coordinated development strategy of the Yangtze River delta 并列题名：Research on the coordinated development model of agricultural industrial system Study on the coordinated development of the economic in Hu-Bao-yin-Yu economic zone 并列题名：Study on the coordinated development of regional characteristic economy in China