They were an easily found and plentifully available food source in farming areas, especially for poor immigrants.
在农业地区，特别是对贫穷的移民来说，它们是一种很容易找到的、丰富的食物来源。
Intention 4 stipulates that open source software be transparent, available as source code for no fee.
意图4规定，开放源码软件是透明的，可以作为源代码免费获得。
Along with the projects listed above, there are several other open source libraries available for GWT with varying degrees of activity and community adoption.
除了在上面列出的这些项目以外，还有一些其他为GWT提供的开源代码库，它们活跃程度与社区采用程度各不相同。
In my educational portal project, the applications can be easily modified because the source code is available.
在我的教育门户项目中，可以很轻松地修改应用程序，因为我能够得到源代码。
Some open source code licenses require that derivative work incorporating that code must also be made available as open source.
一些公开源码执照要求由它派生出来的工作也必须作为公开源码提供。
Open source software differs from commercial — or proprietary — software by making its source code available to users.
公开源码软件与商业软件以及私有软件的不同之处在于它把源代码提供给用户。
Because the underlying source code is available to anyone who USES an open source application, frequently used applications are frequently modified.
因为使用开源应用程序的人都可以使用底层的源代码，频繁被使用的应用程序被常常被修改。
The product binaries, and even the source, is available for download and use at no cost.
可以免费下载和使用这种产品的二进制代码和源代码。
One important part of the LFS system is the large number of source files available as tar balls.
LFS系统的一个重要部件是，可以作为tar ball得到的大量源文件。
The complete program used to generate Figure 3 and Figure 4 is shown in Listing 4 (and included in the source file available in the Download section).
用来生成清单4所示的图3和图4的完整程序(源文件可以从下载区获得)。
Similarly, builds of BlazeDS and the bug database are available today with source control also being available in early 2008.
同样，BlazeDS已经有了定期构建版本和Bug数据库，将在2008年初提供源代码控制系统。
Also, see the README.txt file in the zipped source file available in the Download section for the modified directory structure.
而且，请参阅下载一节中压缩的源文件中的README. txt文件，得到修改的目录结构。
If you like the open source model of support: freely available source code, support through newsgroups, blogs, community Web sites, etc., you may dislike it.
如果您喜欢开源模式的技术支持：可以自由访问源代码，并通过新闻组、blog、社区站点等方式获得技术支持，那么您可能就不会喜欢这种方式。
I also had the same requirement, so I decided to look at some available open source solutions.
我也有同样的要求，因此我决定看一下一些可用的开源解决方案。
You still see this with some formats where the official spec refers to a particular historical implementation for which no source code is available.
您仍然还能看到一些格式，其官方规范引用了一个特殊的历史实现，但是该实现没有源代码。
Because source code is available, they can be effective hackers. This can be tremendously useful for shortening debugging time.
因为可以获得源代码，大家的工作会更加卓有成效，这可以有效的缩短调试时间。
As long as the source and destination fields you require are available in both the source and destination, the import tool will support it.
只要在源和目的数据库中都支持您所要求的源和目的域，该导入工具就将支持它。
However, custom encryption routines can easily be written with so many open source libraries available in the market.
然而，市面上存在着大量开源库，您可利用它们轻松编写自定义的加密例程。
That is, they select the best open source software available and package it up for download, with a few of their own tweaks put into it.
也就是说，他们选择最好的可用的开源软件，加入他们自己的一些修改，再将其打包供人下载。
This means that, in theory, anyone with access to water can use it to create a cheap, clean, and available source of fuel.
在理论上，这意味着只要有水，利用这个设备就能研制出一种低廉、洁净的可利用能源。
This article explores some of the available open source physics engines and illustrates their use in simple applications.
本文着重探讨其中的一些开源物理引擎并展示它们的简单应用。
Because I have the source code available for this method, I'll show you how I would add the timing information directly.
因为有这个方法的源代码，所以我将为您展示如何直接添加计时信息。
The source code archive (available in Resources) contains all of the programs used in this tutorial.
源代码归档文件(在参考资料中提供)包含了本教程中使用的所有程序。
And all of these tools are open-source, the code freely available for other developers' experimentation.
并且所有这些工具都是开源的，代码免费供其他开发者实验使用。
There are hundreds if not more of these types of open source solutions available, where someone has already provided an implemented solution to a common application need.
如果没有更多的可利用的开源应用软件，已经有几百个种类，而且已经有人针对所需的常用软件提供了一个可执行的方案。
If the data source is not available, then the grid continues processing requests and will try again later.
如果数据源不可用，则网格会继续处理请求，之后再重新尝试。
Our goal is to explore the open source tooling available for a beginner and to foster an appreciation for the value that data mining might provide. Keep that in mind as we continue the series.
我们的目的就是让初学者充分领略这个可用的开源工具的妙处并提高对数据挖掘所能提供的价值的了解和重视。
In the absence of any migration tool at all, a last resort is to develop home-grown migration scripts, either from scratch or based on any existing source available.
如果任何移植工具都不具备，我们就只能求助于开发自行生成的移植脚本，或者是从零开始，或者是基于某种已经存在的源。
Have a safe alternate heating source and alternate fuels available.
准备安全的候补热源和候补可用燃料。
Smaller publishers might want to wait until simpler, cheaper, possibly open source solutions become available; but they might not have to wait long.
较小型的出版商更想等待使用更简单、更便宜、甚至开源的解决方案；不过，他们可能也不用等待太久。
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