Strategic conception in construction national central city annual report of the construction of national central city 并列题名：Annual report of the construction of national central city Annual report of the construction of national central city Strategic research on the construction of the national central city in Zhengzhou 并列题名：Annual report of the construction of national central cities Annual report of the construction of national central cities Annual report of the constuction of national central cities Study on the theory and practice of national central city Research on the core functions of Wuhan constructing to the national center city