Advertisement scheduling is the core function of a mobile advertising system, which includes organization, allocation and adjustment of the advertising space, and finally generating a complete view.

广告排期是移动广告系统的核心功能，它包括广告资源的组织、分配、调整，以及最终一个完整的广告排期生成。

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Google is promoting Android phones as a way to ensure that its services, as well as other services that may use its advertising system, are available on a broad range of mobile phones.

Google推广Android电话是一种保障Google服务的方法。当然也为了保障Google提供广告的服务系统。该系统适用于各种手机。

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Jake Poznanski and Sam Kaufmann, who quit their software-developer jobs last fall to develop Windows Phone apps, said Microsoft replied within a couple of days when they complained about a snag in Windows Phone's mobile advertising system.

WSJ: Microsoft Woos App Developers in Windows Phone Push

In separate online advertising development Wednesday, Google announced that users of its search-advertising system will soon have to start paying for marketing messages sent to some mobile devices, even if they only are interested in reaching people on desktop and laptop computers.

NPR: Yahoo Taps Into Google's Ad Network, Expertise