用来检查、纠正二进制信息序列在传输过程中出现的突发错误的一种循环校验码，它是计算机磁盘存储器常用的错误校验码之一。 A cyclic check code used to check and correct the burst error appeared in the transmission procedure of binary information sequence. It is one of the error check codes in common use for computer disc memory.
在COBOL语言中，一个或多个语句的序列，最后以尾随一个空格的句号结束。 In COBOL, a sequence of one or more statements, the last ending with a period followed by a space.
产生某种指定类型和格式的结果的程序或另一种编码序列（如“宏生成程序”、“微代码生成程序”）。 A program or other coding sequence that produces a result of specified type and format( "a macro generator"; "a microcode generator" ).