Research on the latest development trend of public art worldwide Research on the development trend of cultural industry Research on the development trend of Shanghai Urban public art research on the youth culture & its development trend in the internet era Research on the development trend of state parties' reporting procedures research on political development strategy of the late developers research on healthy development strategy of SMEs in the era of great transformation Research on the current situation and developing trend of worldwide standarization research on Japan's remedy system of public hazard research on educational development chain of professional degree postgraduates