第一，应用程序无法直接存取周边设备，必须呼叫作业系统核心以取得或设定周边资料。

First, the application cannot directly access the peripherals, but instead must call the operating system core to get or set peripheral data.

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25am -“我们开始使用这些先进强悍的管理科技，而且还要超越这些科技——核心作业系统的引擎可以管理全部的芯片、感应器、和你的应用程序，而且全部自动化。”

25am - "we started with those advanced power management techniques and went beyond that — the core OS power manages all of the chips, all the sensors, your application, automatically."

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很明显，很多工作已经进入手机的Windows 7的所有方面，从设计到全景的作业系统的核心功能，Facebook的周到的一体化。

It's clear that a lot of work has gone into all aspects of Windows Phone 7, from the panoramic design to the thoughtful integration of Facebook into the core functions of the operating system.

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