Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/441b85a3e87e5cc93c24d74054bbd20c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.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_94生活常识网有道词典
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]