综 述 述 评发展我局机车信号的探讨…………………”:…………局电务处金庭钢论科普工作在企业振兴中的作用………………哈尔滨分局科学技术学会关于我局长途通信网发展策略的探讨……………………………局电务处论车机联控的“结合部”管理…………”…………·哈尔滨分局郗 Review Commentary on the development of the Bureau of the locomotive signals ............................ ............ Council Service Jinting Gang on science-based work in the revitalization of the role of enterprises .................. Harbin Branch Institute of Science and Technology About Bureau Discussion on the Development Strategy of Long-distance Communication Network ................................. Bureau Service Department Discuss the “Joint Department” Management of Vehicle Control and Machine Control ............ · Harbin Branch 郗