If we worked only with digital devices, we would eventually have to convert the output of the digital device into analog form if we wanted to input it into a computer.
如果我们努力工作只与数位装置，我们会最终都转化为输出的数位装置成模拟形式，如果我们想要输入到电脑。
Traditional control device design adopts analog output interface, with the development of computer technology, develop various interface is imperative.
传统操控器白勺设计均采用模拟输出接口，随着计算机技术白勺开展，开发多种接口类型势在必行。
The hardware components of the measurement and control system based on industrial personal computer consist of the analog input channel and the digital output channel.
测控系统以工控机作为硬件基础，分为模拟量输入通道和数字量输出通道两部分。
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