Background processing : Computer processing mode which can occur concurrently with main use of the machine, e.g. hyphenation and justification of a text file while other material is being input.

• 后台处理:是电脑作业的一种方式。它可以和机器的主要工作同时进行。例如处理英文文件的分字和齐行调整时可同时处理其他输入。