| 释义 |
photoelectric mark reading 光电标记阅读法 A form of mark detection that uses a photoelectric device to locate and verify information as coded or marked in special boxes or windows on preprepared forms. The unit reads a row by reflected light from the document. 标记检测的一种形式,利用光电器件定位和检验在预先设计好的表格纸上的专用栏或窗口中的编码或标记信息, 扫描单元借助于文件上的反射光读取一行。 |