很快的，乔布斯升级了iPod，更新、更棒的款式，增加了在线商店，Windows支持，还有视频播放功能。
Quickly and ruthlessly, Jobs updated the iPod with ever newer and better models, adding an online store, Windows compatibility, and then video.
数据广播系统能够为用户带来更多的图形、文本、游戏、数据下载、在线升级等功能，在网络支持的情况下还能够实现交互功能。
Data broadcasting system bring more functions for user, such as graphics, text, online upgrades, games and data download, and etc. And it can also support interactive features if network supported.
本课题中设计实现了一套用于专业IRD软件升级的程序——LOADER系统，该系统支持IRD的在线空中升级功能，完成软件的更新。
In this thesis, the software module of LOADER system is designed to update the software of professional IRD with online air-update.
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