e-commerce of agricultural produce from the perspective of platform economy 农产品特性对“互联网+”的影响机理：平台经济视角下的农产品电子商务：e-commerce of agricultural produce from the perspective of platform economy Research on airport pricing mechanism from the perspective of platform economy Study on import growth of China's key agricultural products from the perspective of industrial security 并列题名：Study on import growth of China's key agricultural products from the perspective of industrial security Research on American agricultural industry policy from the perspective of rule of law Development of China's service industry: study from the perspective of open economy 并列题名：Research on ecological reform of tax system from the perspective of low-carbon economy Analysis of Euro from the perspective of new political economy Beijing urbanscape from the perspective of cultural ecology