If you mouse over a window in the preview screen, it appears at full size on your desktop and all other Windows become transparent — part of a feature called Aero Peek.

如果你的鼠标在预览屏中停留在一个窗口上方，它就会以全尺寸出现在你的桌面上，其他所有窗口会变的透明，这是一个被称为Aero Peek的功能之一。

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In the Tech Preview, you can see the installation options that will help reduce install size, the smallest being about 150 MB plus the JDK size.

在该技术预览版中，你会看到各种安装选项会降低安装文件的大小，最小的安装大约需要150 MB再加上JDK的大小。

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You'll also be using the iPhone development plug-in, which provides a mock iPhone screen for you to preview your development in an iPhone-size viewport.

您还将使用 iPhone 开发插件，该插件将为您提供一个模拟的 iPhone 屏幕以在 iPhone 大小的视窗中预览开发。

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