Sheet can be set into the test without special paper and printing alone, just ordinary printing paper or copy paper, effectively reduce the cost.
答题卡可设置嵌入试卷中，无须特殊纸张和单独印刷，只须普通的打印纸或复印纸即可，有效地降低了成本。
Test method for printing precision: 3 words printed in full page A4 paper printed with PS.
测验打印精度办法为：用PS打印3号字打印在整版A4纸上。
This paper refers to a new kind rotational speed test instrument of the modern printing machine's cylinder with high accuracy and multi-function, which based on the single chip of 89C51.
本文介绍一种以单片机89C51为核心的高精度多功能印刷机滚筒转速测试仪。
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