20世纪80年代初德国Bosch公司为解决现代汽车中 众多控制单元、测试仪器之间的实时数据交 换而开发的一种串行通信协议(Twentieth Century In early 80s, the German Bosch company solved the problem of modern automobiles The real-time data of many control units and test instruments are handed over A serial