photolectric reader
... photopolymerization光致聚合作用 photo-reader光电读数器 photorecordingpaper光感记录纸；照相记录纸 ...
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为了实现高精度、高可靠性绝对式光电编码器的小型化，对编码器的编码方式和读数头的结构等进行了研究。
In order to realize miniaturization of absolute optical encoder with the character of greater accuracy and more reliability, a new coding mode and structure of reading head are investigated.
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