nwu has 3 campuses: the taibai campus, the taoyuan campus and the chang’an campus. they cover a total area of approximately 400 acres, and comprise 22 schools and departments, plus a graduate school. in addition to 83 undergraduate degree programs, nwu has been authorized to confer master’s degrees in 39 first-tier disciplines, 8 second-tier disciplines and 16 professional programs, as well as doctoral degrees in 19 first-tier disciplines and 5 second-tier disciplines. nwu has developed 1 first-tier national key discipline (covering 5 second-tier disciplines), 4 second-tier national key disciplines, 1 national key discipline under cultivation and 21 post-doctoral programs. moreover, nwu houses 1 national key laboratory, 1 national research center for engineering & technology, 1 national base for international scientific & technological cooperation, 29 provincial (ministerial) key labs, research centers for engineering & technology, and key research bases for the humanities & social sciences, 5 national experimental teaching demonstration centers, 7 national bases for talent cultivation, and 1 national base for the cultural quality education of college students.