负责音乐的那部分称为“云端中的iTunes”，iCloud也包括5 GB的免费存储空间来存放各种除app Store和iTunes Store以外的第三方软件，如文件管理器。
The music portion is called "iTunes in the Cloud". ICloud also includes 5gb of free storage for items outside the App Store and iTunes Store, like documents managed by third-party software.
软件包通常包含一个或多个程序，但有时它却只包含文档、窗口管理器主题或其它易于用可安装软件包分发的文件。
A package usually contains a program or programs, but sometimes it has only documentation, window manager themes, or other files that are easier to distribute in an installable package.
针对工程应用软件所处理数据的特点和使用格式要求，通过设置专用的数据文件管理器和计算结果管理器，使工程应用软件的数据处理功能和处理效率得以显著提高。
Aimed at the characteristics and using pattern of data, the function and efficiency to deal with data are improved observably by the setup of special data-file and calculating-result manager.
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