现在，准备开始使用SuperMemo记忆法，你需要：两个带格子的练习本，一支笔，一到两个小时的时间认真阅读这篇文章。

Now, to start using SuperMemo, all you need is: two cross-ruled exercise books, a pen and an hour or two to read carefully the presented text.

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这样，一切准备就绪后，只需短暂的停用即可开始使用备用实例。

Then, when you're ready, you can have a short outage to start using the alternate instance.

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公司还准备发布Chrome网络商店的预览版本，使第三方开发者能开始使用这些功能。

The company is also preparing to launch a developer preview of the Chrome Web Store so that third-party developers can start working with the feature.

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