activation pointer

例句：

1. 1. The activation pointer is used to indicate the start of a new section in a document.
   激活指针用于指示文档中新章节的开始。
2. 2. The software uses an activation pointer to track changes made to the file.
   该软件使用激活指针来追踪对文件所做的更改。
3. 3. During the installation process, the activation pointer is used to locate and activate the necessary drivers.
   在安装过程中，激活指针被用来定位并激活所需的驱动程序。