此 RESTORE 语句成功地执行了一些操作，但由于需要一个或多个 RESTORE 步骤，无法使数据库在线。以前的消息说明了此时无法进行恢复的原因。

This RESTORE statement successfully performed some actions, but the database could not be brought online because one or more RESTORE steps are needed. Previous messages indicate reasons why recovery cannot occur at this point.