Laszlo Systems does offer support subscriptions and since it's an open source project, you can choose to support it using the freely available source.

Laszlo Systems提供支持订阅，而且因为它是一个开放源码项目，您可以选择使用免费资源支持它。

youdao

In order to develop in parallel effectively, you can use tags and branches in Subversion (SVN), an open source and freely available source-code management system.

要有效地进行并行开发，您可以使用Subversion (SVN)中的标记和分支，Subversion是一个开源的、免费的源代码管理系统。

youdao

While this section is far from complete, it should be a good starting reference to be supplemented by additional reading in the freely available source change logs.

虽然本节的内容还远远不够完全，但它应该是一个不错的起点参考资料，通过另外阅读一些可免费获得的源代码修改日志，可以补充这方面的知识。

youdao

Mangroves are the most readily available source of firewood for fires to boil seawater and what is called "salt dust" scraped from the soil.

VOA: standard.2010.03.29

But thankfully now in 2010, we're at the point where there's a whole lot of free and open source software that you can integrate into your projects that other nice people have made available.

不过幸好在2010年,现在有很多可用的开源,代码软件，你可以将其融合,到你的工程中。

哈佛公开课 - 计算机科学课程节选

So among your printout from Wednesday, if you have it, you have a file called math1.c. If you don't have this, the programs are short today, so it should be easy enough to follow along visually, but a PDF and the actual source code is available online for these things.

从你们周三打印出来的资料来看，如果你们手上有的话，你们会看到有个叫做的“math1，c“的文件，如果你们没有资料，那些程序还是比较短的，所以你们应该可以很轻松地,来看这些程序，但是那个PDF文件,和实际的源代码都可以到网上找到,相关的资料。

哈佛公开课 - 计算机科学课程节选

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