备份时% 1正忙，它无法还原或比较。

1 was busy during backup. It cannot be restored or compared.

youdao

个别dbspace无法还原到某一时间点或逻辑日志。

Individual dbspaces cannot be restored to a certain point-in-time or logical log.

youdao

信号一旦产生了伪信号数据， 就无法还原： 现在还没有办法消除“伪信号”。

Once you have aliased data, you can never go back: There is no way to remove the "aliases."

youdao