数据库导入问题 急急！

[haojinguo]

我是从10的服务器上 用10g的客户端导出导出了.dmp文件 当我现在要导入到9i的服务器上时 提示下面的错误
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production

Export file created by EXPORT:V10.01.00 via conventional path

Warning: the objects were exported by BACKUP, not by you

import done in ZHS16GBK character set and AL16UTF16 NCHAR character set
IMP-00003: ORACLE error 2248 encountered
ORA-02248: 无效的 ALTER SESSION 选项
IMP-00000: Import terminated unsuccessfully

Import finished on 2007-5-22 9:21:19

[wzjcntlqs]

应该是低版本导出,高版本导入吧

[haojinguo]

我现在怎么做才能把数据导入到9i的数据库呢？