指令和数据在计算机的内存中一时用不到的话，就要用辅助存储单元来对它们进行保存。

Auxiliary storage units are used to store instructions and date when they are not being used in main memory of the computer.

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本文叙述了柔性制造单元或系统中的柔性夹具及其计算机辅助设计的基本原理与方法。

This paper deals with the flexible fixture and its basic principle and method of computer aided design in flexible manufacturing cell or flexible manufacturing system.

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本文作者根据上海某纺织机械厂进行成组加工车间设计的要求，提出了一种计算机辅助成组加工车间生产单元设计的新方法。

This paper deals with a new method of computer aided group production unit design based on the requirement of a textile machinery factory in Shanghai.

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