光学符号识别 meaning in Chinese

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In optical character recognition , the difference between color or shading of the printed material on a document and the background on which it is printed
在光学符号识别中,文件上印刷材料的颜色或浓淡和印刷背景之间的差别。
Rfid ( radio frequency identification ) system is an automatic identification technology that has been developed since 1980s . compared with barcode system , optical character recognition technology , biometric identification technology , integrated circuit card , rfid system has particular contactless , anti - interference and environmental adaptability characters , so it becomes one of the most excellent automatic identification procedures that are applied in many fields
发展到今天，射频识别技术和条形码识别技术、光学符号识别技术、生物识别技术、 ic卡( integratedcircuitcard )识别技术等这些自动识别技术相比，以它特有的无接触、抗干扰能力强等优点逐渐成为自动识别中最优秀和应用领域最广泛的技术之一。