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随着微处理机的推广应用,各种智能测量控制仪表应运而生,为了充分发挥这些智能仪表的作用,往往需要将各种不同的仪表通过数据通信总线连接起
With the popularization and application of microprocessors, a variety of intelligent measurement control instruments came into being, in order to give full play to the role of these smart instruments, often need to connect a variety of different instruments through the data communication bus