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Vista之家（www.vista123.com）：【Vista之家译】Microsoft Virtual Earth 3D 4.0发布
Microsoft Virtual Earth，我想不要多介绍了吧？微软出品的虚拟地球软件。现在此软件的新版本4.0已经在微软下载中心提供下载了。微软称除了对性能进行了极大改进外，还加入了AJAX控制。
微软开发员Nikolai Faaland 和Chris Pendleton解释称“此次更新更多地是Bug修复和性能改进版本，因为并没有加入多少新功能。不过，该版本中对全球140万座建筑的图片进行了压缩。”
附部分原文：
Virtual Earth 3D 4.0 is available for download from Microsoft. The latest iteration of the Virtual Earth 3D Control went live on the Microsoft Download Center on April 9, 2009, concomitantly with additional changes introduced by the company to its mapping, location and search platform. In this regard, the software giant also delivered the April 2009 release of the Virtual Earth API (application-programming interface), which brings to the table an evolved AJAX control. While new features are available with the latest release of Virtual Earth 3D, Microsoft has emphasized that the upgrade is, in fact, focused on delivering a consistent performance boost ahead of anything else.
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