- A collection of new and changed modules and macros that provide a dded program function or hardware support. Selectable units are shipped independently of a release and are installed singly or in groups at the option of the user.; 一种新的及已更改的模块和宏功能的组合,提供附加的程序功能或对硬件的支持。可选 部件可按用户的选择与某一版本分开发运,单个或成组安装。
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