Warning: file_put_contents(): Only 0 of 7251 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55 check digit英英字典_check digit剑桥英语解释_check digit柯林斯英文解释_開心英語字典_柠咚词
1. N a digit derived from and appended to a string of data digits, used to detect corruption of the data string during transmission or transcription 校騐數位[計算機]