The parallel port of computer is mainly used for connecting to printer, the data transmission rate is rapid because the data is transferred in parallel.
计算机并口主要用来连接打印机，由于数据并行传输，所以传输速度相对较快。
Data output port can be connected with printer of computer by special interface JK1500.
数据输出端口通过JK1500电子数显量具专用接口可与计算机或打印机联接。
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