In optical reading systems(OMR,OCR),the recording surface (paper) considered with respect to its contrast to the characters or marks to be read.是什么意思_In optical reading systems(OMR,OCR),the recording surface (paper) considered with respect to its contrast to the characters or marks to be read.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句