Study on the urban poetics of Frank O'Hara 并列题名：Study on the urban poetics of Frank O'Hara Study on the urban society in Han China Study on the urban poverty in transitional China Study on the cultural politics of TEFL Study on the poetess of modern times Study on the urban governance system in ancient China Study on the society and politics of Jin and Song dynasty Study on the aesthetics of realistic films Study on the urban housing stratification in China