The first thing a multi-tasking operating system needs from hardware is isolation: multiple programs must share one processor without being able to read, write, or jump into each other's memory. The 80386 achieves this through memory protection -- two independent address translation layers.
Plans to return humans to the moon will come in later mission as agency grapples with delays and glitches
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新系统将根据用户操作方式，在触控与传统光标点击之间动态切换界面逻辑。例如，手指点击按钮时，界面会在触点周围弹出更适合触控的菜单；菜单栏项目也会在触控场景下放大，便于手指选择。。关于这个话题，heLLoword翻译官方下载提供了深入分析
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