The last digit serves as an accuracy check on the entire number by scanning devices 标准码及缩短码均只有一个数字字元。
The article number is represented by a machine - readable symbol , printed to well - defined specifications . article numbers for consumer units are always represented by standard ean - 13 symbols - for 13 digit numbers and ean - 8 for 8 - digit number . the bar code consists of a series of light and dark vertical parallel " bars " and is normally incorporated as part of the original packaging design 商品条码有两种型式,其一是由13个数字字元( characters )组成的全长或标准码( fulllengthorstandardcode ) ,适用于一般尺寸商品之标示;另一为8数字字元组成的缩短码( shortlengthcode ) ,适用于体积较小之商品标示。
数字: figure; digit; numeral; char ...字: character; word非数字字符: non numerical character; nonnumeric character数字字符: digital character; numeric character; numerical character数字字符集: numeric character set数字字率: digital word rate数字字母: digital alphabet; numberalphabet数字字母的: number-letter; numeric alphabetic数字域, 数字字段: numeric field数字字符集 数字字符组: numericcharacterset公共数字字典: cdd common digital dictionary数字字发生器: digital word generator数字字符0-9: numeric character 0-9数字字符参引: numeric character reference数字字符数据: decimal picture data; numeric character data数字字符子集: numeric character subset数字字元参引: numeric character reference字母数字字段: alphanumeric field字母数字字符: alphameric characters; alphanumeric character二进制数字字符: binary digit characters手写字母-数字字符: handwritten alpha-numeric character数字字符串的确定: number.tostring数字字符发生器: digital character generator数字字组串号码: digit block string number字母数字字符对: pair of alphanumeric character