列车运行系统(Total Operations Processing System: a prime source of train operation data such as destination, load and location. TOPS provide a comprehensive system for monitoring a train’s complete movement cycle from workshop and maintenance
" class="glossaryLink ">最上等的–总运行处理系统（Total Operations Processing System）：计算机系统，记录与计划相比的列车运行数据细节，支持记录延误和相关归因过程。
