1.　高密度编码，信息容量大
可容纳多达1850个大写字母或2710个数字或1108个字节，或500多个汉字，比普通条码信息容量约高几十倍。(1. High-density coding, large information capacity
Can accommodate up to 1850 uppercase letters or 2710 numbers or 1108 bytes, or more than 500 Chinese characters, about several times higher than the average bar code information capacity.)