Some are open source, some are commercial products but free to download and use, and others require a commercial license.

其中一些是开放源码的，一些是商业产品，但是可以免费下载和使用，其他平台需要购买商业许可证。

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Anybody with a computer can download and install open source software; it is hard to replicate and use open source hardware as easily.

任何拥有电脑的人可以下载并安装开源软件，却很难像软件一样复制和使用开源硬件。

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Visit the open source zone for extensive how-to information, tools, and project updates to help you develop with open source technologies and use them with IBM's products.

访问开放源码专区，获得丰富的how - to信息、工具和项目更新，帮助您用开放源码技术进行开发，并将这些技术与IBM产品结合使用。

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They are said to use forty to fifty percent less wood than an open fire, and produce fifty to seventy-five percent less smoke.

VOA: special.2010.02.01

Then rinse under running water. In a public restroom, if you dry your hands with a paper towel, you should also use the towel to shut off the water and open the door.

VOA: special.2010.09.29

The open nature of the Internet and its use by governments and business make it a rich target for an enemy attacks.

VOA: standard.2009.08.11

Improve media and information literacy and encourage the development and use of OER in open standard digital formats.

UNESCO: 2012 PARIS OER DECLARATION

He promised to enhance Japan's role in international affairs, build its cooperation with other democracies and promote open use of the seas and rules-based trade.

NPR: PM Says 'Japan's Back,' Vows Stronger Ties With US

It can say, all day long, that Motorola Mobility will stay as a separate division and that Android will remain open and available for all to use, but that does not mean that those who have already stepped up to Android believe Google.

FORBES: Google's $12.5 Billion Miscalculation