synchronous refresh的意思|示意

Software installation extension cannot perform removal or install operations during asynchronous policy refresh and will force a synchronous foreground refresh.

在异步策略刷新时，软件安装扩展不能运行删除或安装操作，并将强制进行同步前台刷新。

Software installation extension has detected changes that require a synchronous foreground policy refresh.

软件安装扩展检测到需要同步前台策略刷新的更改。

The group policy framework should call the extension in the synchronous foreground policy refresh.

在同步前台策略刷新时，组策略框架应该调用扩展。