Free software users learn software categories, not programs.
自由软件用户学习软件种类，而不是程序。
Motivation for software engineers is often different from that of other job categories.
软件工程师的动机经常不同于其他工作种类。
Failures fall into two obvious categories: hardware and software.
明显地，故障可以分为两种类型，软件故障和硬件故障。
Software configuration management (SCM) tools fall into two basic categories
软件配置管理（SCM）工具可分为两类
Software of all categories can be purchased on this website.
所有类别软体在这个网站上都可以买得到。
Software can generally be divided into two categories: (1) systems software and (2) applications software.
软件一般可分为两类：(1)系统软件；(2)应用软件。
Software can generally be divided into two categories: (1) systems software and (2) applications software.
软件一般可分为两类：(1)系统软件；(2)应用软件。
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