Does the subject want to ask "Does No.9 College recruit graduate students in mathematics"? Nine colleges recruit graduate students in mathematics. According to the 223 campus recruitment announcement of the Ninth Academy of China Aerospace Science and Technology Corporation, the academic requirements are: master students and doctoral students, and the total number of recruits is 7, including 45 graduate students and 25 undergraduates. The Ninth Design Department of the Ninth Research Institute of China Aerospace Science and Technology Group Co., Ltd. (referred to as "the Ninth Aerospace Institute") is a scientific research and production consortium specializing in the overall design, production and sales of intelligent unmanned systems, unmanned aerial vehicles, precision guided weapons and anti-unmanned systems, and is one of the overall units for the development of unmanned aircraft spectrum projects in the whole army.