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从极拟转向数字信号传输大多数信息都是以数字方式建立和存储的，但却显示为模拟输出。将来的发展趋势是只在人机接口上进行模拟转换，这将使我们能够更加简便地在数字网络上传输数据。所有数字信号都允许对信息进行时分多路复用，因此一条信道将支持多个信源和信宿应用。它还
Moving from Pole to Digital Signaling Most of the information is digitally set up and stored, but displayed as an analog output. In the future, the trend toward analog conversion only on HMIs will make it easier for us to transfer data over digital networks. All digital signals allow for time division multiplexing of information so one channel will support multiple source and sink applications. It also