From the function analysis of automatic hydraulic grinder for machining the railroad crossing, its mechanical system, hydraulic system and control system were designed.
从铁路辙叉液压自动磨床的功能分析入手，设计了其机械系统、液压系统、控制系统。
Last, the test data sent out by signal generator comes into the system, plots the waveform from export data after the function is achieved, and gives validation analysis to the design method.
最后由信号源发出测试数据进入系统，进行功能实现后输出数据绘制出波形图，对所设计的基带系统驱动方案进行验证分析。
So, their design is from the analysis of the function of the site , the activity and the traffic system.
所以，他们的设计策略是从对基地的功能，人们的活动模式和交通状况的分析开始。
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