开发者也可以容易的访问平时在他们的桌面系统上不易安装的操作系统。
Developers also have easy access to operating systems they might not otherwise be able to install on their desktops.
与某些商业产品、甚至GRASS不同，您可以容易地安装这些查看器，并且几乎可以在所有主要操作系统上使用。
As opposed to some of the commercial offerings and even GRASS, you can install these viewers easily and use them on almost all major operating systems.
很多发行版可以很容易地在一次操作中安装一个开发工具和库的基本选项。
Many distributions make it easy to install a basic selection of development tools and libraries in a single operation.
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