Study on the evolution mechanism of characteristic towns from the perspective of innovation ecology Study on the development mechanism of urban agglomeration from the perspective of ecological economy Study on formation mechanism of consumer's croo-buying from the perspective of attachment theory Study on land use optimization from the perspective of restoration ecology Evolution of characteristic towns from the perspective of complex adaptive systems Research on the evolution of state functions from the perspective of Marxist economics Study on the transformation of Chinese TV format-from the persective of media ecology 并列题名：Evolution of characteristic towns from the perspective of complex adaptive systems Study on innovation mechanism of scientific research cooperation based on the perspective of institutional economics Research on the growth mechanism of social enterprises from the perspective of legalization