Research on urban spatial evolution from the perspective of value chain 并列题名：Research on urban spatial evolution from the perspective of value chain Research on urban communication from the perspective of social media Research on Mazu cultural creative tourism from the perspective of value co-creation Research on higher vocational education from the perspective of public management Research on teacher education from the perspective of life Research on ventilation efficiency from the perspective of urban design Research on ideological and political education from the perspective of rule of law 并列题名：Research on urban communication from the perspective of social media Research on the evolution of division from the perspective of Marxist economics