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1·When version 3.0 of the operating system came out, even the updates were minimal and only added essential functionality missing from the first release.

当操作系统的3.0版本发布后，即使是更新也非常微小，只是添加了首版中缺少的几个基本功能。

2·The change made Linux fully compatible with the rest of GNU's software, and the GNU project began integrating the kernel - the project's biggest missing link - into its free operating system.

这一改变使Linux完全与其余的GNU软件兼容，而GNU项目开始把内核——该项目缺少的最大环节——并入其自由的操作系统。

3·Besides some general updates to the Android operating system, this new will also allow for video recording - a feature that is still missing from Apple's iPhone.

除了一些基本的操作系统升级外，新手机有录像功能-这个苹果IPHONE目前不具备的。

4·One feature that seems missing from the Web operating system collective tool set is the notion of a Web-based clipboard.

Web操作系统工具集中似乎缺少了一个特性，即基于Web的剪贴板的概念。