On the background of Jibei special railway, this paper mainly does research in the coordination of train works and shunting works on Remote Centralized Control System.
本文以济北矿区专用铁路为背景，着重研究远程集中控制系统应用下的列车作业和调车作业的协调优化问题。
To the middle stage of Warring States period, the simplified form of circle-point pattern completely disappeared on the animal-shaped plate in Jibei area and Liaoxi area.
战国中期，简化圈点纹在冀北和辽西地区的动物纹牌饰中彻底消失。
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