Maintain subway communication equipment for 8 hours. 0000 1 Principles of Marxist Philosophy Zhao Jiaxiang Economic Science Publishing House 1999 version of the national unified textbook has 0002 Introduction to Deng Xiaoping Theory and Introduction to Deng Xiaoping Theory Qian Ganrong China Financial and Economic Publishing House 1999 version of the national unified textbook has 0003 legal basis and ideological and moral cultivation. Gong Xiantian Higher Education Press, 2000 edition, has 004 17 advanced mathematics foundation, Wang Demou, Beijing Normal University Press, 1999 edition, has 0620 1 mobile communication digital mobile communication system principle and engineering technology. Ma Fangfang Higher Education Press, 2003 edition, Beijing 07 designated textbook. 437 Circuit Theory Basic Circuit Analysis (Second Edition) Shi Sheng Higher Education Press 2003 Edition Beijing designated textbook is 07439 Electronic Circuit Electronic Technology (Second Edition) Lv Guotai Wuxiang Higher Education Press 200 1 Edition Beijing designated textbook is 0744 1 Microcomputer Principle and Interface Technology Wang Jipeng Higher Education Press designated teaching materials in Beijing in 2002 are 07458 Urban Rail Transit Signal and Communication System to be released, 07459 Station Crane Jin Shi xidian university Press, 2004, and 0746 1 Program-controlled Switching Foundation, Program-controlled Digital Switching and Switching Network, Ye Min, Beijing University of Posts and Telecommunications Press, 2003, and Beijing designated teaching. The materials include 07463 Optical Fiber Communication Application, Optical Fiber Communication, Lin Daquan Higher Education Press, 2003 edition, Beijing designated textbook, 07464 Automatic Train Control Technology, Station Signal Control System, Zhao, China Railway Press, 1999 edition, Beijing designated textbook, 07466 Automatic Block Basic Interval Signal Control, Lin Bazhu, China Railway Press, 2003. Materials include 07467 Computer Interlocking Technology Computer Interlocking Control System for Station Signals-Principles and Control, Xu Hongze, China Railway Publishing House, etc. In 2005, the designated textbook in Beijing is 07468 Computer Monitoring System to be released in Beijing No 100 18 Computer Application Basis (04 in the first half and 07 in the second half) Zhao Hongde, Zhang Zhe, Wang Lubin, People's Posts and Telecommunications Publishing House, 2004, 2007, Beijing.