upgrade process

• 升级过程

upgrade process的用法和样例：

例句

1. You will need to run through the upgrade process for each multisite separately.
   你需要分别将各个多站点的升级过程都如是激活。
2. You can search in the typescript file to review the information that was on the screen during the upgrade.
   您可以搜索日志文件来复查升级过程中显示的屏幕信息。