Singh noted that the preview release will contain two levels of API's.

Singh指出预览版包含两种层次的API。

youdao

On the Microsoft side, we find an preview release of the Microsoft SDK for Open XML Formats.

在微软这边，我们发现了一个针对Open XML格式的微软sdk预览版本。

youdao

It wasn't a design that we were happy with and has been removed and will not be present in the next preview release.

我们对它的设计并不满意，因此它不会出现在下一个预览版中。

youdao

As this is a preview release, then there are few known issues, which we are working hard to address.

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"Since our first preview release last September, millions of people now use the pre-release product on a daily basis and millions more have been taking it through its paces, totaling hundreds of millions of hours of testing, " Microsoft's Steven Sinofsky wrote Friday on the Windows 8 blog.

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Microsoft also said that only a few of the visual changes in Windows 8 will be present in the Release Preview scheduled for release next month.

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