通过对钢轨和车轮的ansys有限元建模，分析在钢轨的接头处的动力学特性。-Rail and wheel ansys finite element modeling, analysis of the dynamics of the rail joints.

职业汽车销售顾问内训提升教程汽车的保养和维修制度和谐号$四轮定位基础培训-Professional Automotive Sales Consultant tutorial house training to enhance the maintenance and repair of motor vehicles Harmony $ wheel alignment system based on training

huawei c++ 开发标准，可以作为基本参考使用，无需重复造轮子-huawei c++ development standards, can be used as a basic reference, no need to repeat-create the wheel

主动前轮转向技术与车辆整车操纵稳定性分析-Active front wheel steering technology and vehicle vehicle steering stability analysis