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 law and practice of francise Study on the urban poverty in transitional China Study on the urban housing stratification in China Study on the urban governance system in ancient China Study on the cultural politics of TEFL Study on the new urban poverty in China study on the social changes of Zhangzhou Putou harbor