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

本文还向您介绍了一种免费的开源软件程序weka。

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Rubin credits the fact that Android is an open-source program used by dozens of phone makers, while Apple goes it alone, developing its own proprietary hardware and software.

鲁宾将这归功于Android是一个开源程序（能被许多手机制造商所使用）这个事实，而苹果只是一意孤行的由其自己开发那些专有的硬件和软件。

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Open source software relies on a community of volunteer developers who tinker on, write for, or amend a program, then give it away free.

开源软件依赖自觉自愿的程序员所组成的社群，他们修补或者编写一些程序，然后免费公布出来。

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Levin's software scans a given program, looking for strings of code that might be open source, then identifies the licenses that apply.

FORBES: Code Inspector

Every element of the XO's software is open-source and malleable: Its creators hope that kids in Mongolia and Peru will someday program their own applications for the devices and even modify its source code to improve its operating system.

FORBES: Magazine Article