在计算机上工作时，了解实际使用的工具非常重要。
When working on computers, it's important to understand what you're actually working on.
本文介绍了计算机网络在远洋运输管理系统中的应用情况，主要介绍了两个网络的系统开发目标、系统构成、主要功能及实际使用结果等。
The progress of computer network in ocean shipping management is introduced with emphasis on two objects in developing network system, system configuration, main functions and actual results.
给出了实际使用的各种微型计算机与穿孔机的联机接口方法和电路。
Methods and circuits in practical use for interfacing various micro - computers and punchers are illustrated.
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