900 yuan, the postgraduate dormitory of Beijing University of Technology, means that the dormitory fee provided by north china university of technology (Beijing University of Technology) for graduate students is 900 yuan per month. This means that graduate students need to pay 900 yuan to live in the dormitory of Beijing University of Technology. Dormitory fees are usually used to pay for the rent and maintenance of dormitories for students to use and maintain public facilities and services. Graduate students refer to students who have completed their undergraduate studies and further studied and conducted scientific research. Generally speaking, graduate students refer to students who continue to study for master's degree, doctor's degree or other professional degrees (such as master of engineering, MBA, etc.). After graduating from a university. Postgraduate education mainly trains students to have in-depth knowledge and research ability in professional fields. Postgraduate degree is a higher-level degree, which is necessary for some people engaged in career development or academic research.