Core Insights - The article discusses the successful development and implementation of a multi-professional intelligent operation and maintenance system for Tianjin's rail transit, addressing the long-standing issue of "information silos" in the industry [1][2] Group 1: Technological Breakthroughs - The system was developed by China Aerospace Science and Industry Corporation's 8357 Institute in collaboration with Tianjin Rail Transit Operation Group, achieving significant breakthroughs in multi-professional intelligent operation and maintenance technology [1] - The project introduced the "1+4+N" network cross-professional operation and maintenance management system and established a cross-professional information analysis model, enabling comprehensive monitoring, intelligent analysis, fault diagnosis, and health evaluation [1] Group 2: Application and Impact - The system has been successfully applied in the Tianjin Rail Transit Intelligent Operation and Maintenance Center, integrating key professional data from subway signaling, vehicles, electromechanical systems, power supply, and civil engineering [2] - This marks Tianjin as the first city in China to implement a multi-professional intelligent operation and maintenance system, enhancing the efficiency of fault response and operational management through data integration and intelligent analysis [2]