它会在移动设备的后台运行一个小软件，将于与企业相关的活动信息记录下来，然后将这些获取的数据发送给MobileIron的虚拟智能手机平台。

A small piece of software runs in the background of a mobile device, logging information on enterprise-related activity, all of which gets sent back to the Virtual Smartphone Platform at MobileIron.

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电子服务代理（Electronic Service Agent，ESA）是在服务器后台运行的代理，将检测和报告计算机上安装的设备和软件。

The Electronic Service Agent (ESA) is an agent that runs in the background on the server, and detects and reports on equipment and software installed on the computer.

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苹果称后台运行一个标准的即时通讯软件可以将电池使用时间减少80%，而推送通知只会减少23%的使用时间。

Using background processes, Apple argues that even just a standard im client reduced the battery life by 80%, while the standby time of the phone only dropped by 23% with push notifications.

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