In the future, NoteSlate can also be powered by a solar panel on the rear of the device, providing an option to go grid-free.

未来，它有一个免用电选项，可以通过背面的太阳能板供电。

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The catalog service is then free to focus its attention on simply managing the balance and membership of the grid as resources are added and removed.

然后，目录服务可以专注于管理添加和删除资源时网格的平衡性和成员身份。

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Monitoring the grid is easily accomplished with IBM OpenAdmin tool, a free web-based management tool that allows you to monitor and administer grid servers through a browser.

监控网格可以通过IBM OpenAdmin Tool轻松完成，这是一个基于Web的免费管理工具，支持通过浏览器监控和管理网格服务器。

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In the daytime, when the sun is at its strongest, solar panels like these and electricity stored in car batteries will be able to power the grid with affordable, emission-free energy.

WHITEHOUSE: President Obama Explains the Smart Grid and Economic Recovery | The White House

Without the need to electrically charge devices--either via outlets or USB cables--users could at last start to break free from on-the-grid power connections.

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One measure is free grid connection for small-and-medium-scale solar power producers.

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