(8)校验符（CHECK CHARACTER）：校验字符代表一种算术运算的结果。阅读器在对条码进行解码时，对读人的各字符进行规定的运算，如运算结果与校验字符相同，则判...
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码组校验符号 block check character
条码校验符 [自] bar code check character
校验符号 checking symbol ; [计] check symbol
信息组校验符号 Block Check Character
纵向冗余校验符号 longitudinal redundancy check character
差错校验符 Error Check Character
校验字符 [计] Check Character
纵向冗余校验字符 [计] longitudinal redundancy check character
纵向冗余校验符 LRC
从开发带有学生信息的条码证件这个应用角度出发，介绍了在研制开发学生证件过程中条码的码制、代码长度和校验符等设计条件的要求；
Staring from developing the bar code certificate with students' messages, the design conditions of the code order, the code length and the proofreader's mark etc.
你可能还有两个客户端校验来确保用户名和密码不要少于一位字符或太长，或者不包含任何无效字符。
You might also have two client-side validators that ensure that the username and password are at least a character or so long, or perhaps don't contain any invalid characters.
HTTP 1.1介绍了另外一个校验参数：ETag，服务器是服务器生成的唯一标识符etag，每次副本的标签都会变化。
HTTP 1.1 introduced a new kind of validator called the ETag. ETags are unique identifiers that are generated by the server and changed every time the representation does.
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