You're witnessing the birth of a third major computer platform: Windows, MacOS X, and iPhone.
你正在见证第三大计算机平台的诞生：Windows 、Mac OS X 和 iPhone 。
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Apple said in a press release that it plans to preview new features and APIs for its next-generation operating systems iPhone 3.0 and MacOS X Snow Leopard.
苹果公司在一份新闻稿中表示，它计划为下一代操作系统 iPhone 3.0 和 Mac OS X Snow Leopard 预览新功能和 APIs 。