它是一个免费开源软件。

It is a free and open source software.

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免费开源软件！

Free open source software!

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所有上述特性都有完整地文档、实例、主题以及100%免费开源软件。

All completely documented, demoed, themed, and 100% Free Open Source Software.

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本文还向您介绍了一种免费的开源软件程序weka。

This article also introduced you to the free and open source software program WEKA.

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它是开源软件，任何人都可以免费使用它，修改它。

As it is open source, anyone is free to use it and modify it.

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在强大的Zend软件中还有许多免费的开源替代方案和一个商业化产品可选。

There are free open source alternatives and a commercial option in the powerful Zend software.

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的确，Linux用户期望开源和免费软件。

Sure, Linux users have come to expect open source and free software.

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的确，Linux用户期望开源和免费软件。

Sure, Linux users have come to expect open source and free software.

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