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何谓肾素依赖性高血压？其产生的主要机制是什么？

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You performed an incomplete recovery on your Oracle Database 10g database using the following command： SQL> RECOVER DATABASE 2 UNTIL TIME ’20040805：12：10：03’ 3 USING BACKUP CONTROLFILE; In which situation would the above recovery be required？（）

A user table was lost at the specified time.
B. A redo log file was lost at the specified time.
C. The backup control file is on a faster disk than the current one.
D. The current control file has a different path compared with the intended time of recovery.
E. The current control file does not match the physical structure of the database at the intended time of recovery.

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何谓肾素依赖性高血压？其产生的主要机制是什么？

有几种涂层成膜方式及涂膜干燥方法？试述其要点？

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SF6电气特性优越，主要是利用SF6气体具有优良的（）和（）。

You performed an incomplete recovery on your Oracle Database 10g database using the following command： SQL> RECOVER DATABASE 2 UNTIL TIME ’2004­08­05：12：10：03’ 3 USING BACKUP CONTROLFILE; In which situation would the above recovery be required？（）

You performed an incomplete recovery on your Oracle Database 10g database using the following command： SQL> RECOVER DATABASE 2 UNTIL TIME ’20040805：12：10：03’ 3 USING BACKUP CONTROLFILE; In which situation would the above recovery be required？（）