发现数据库的数据有错误后，系统自动对系统数据进行校验，并运行纠错子程序纠正数据错误。

When discovering data errors in the database, the system will check the system data automatically, and run rectifying subprogram to correct them.

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测试是为了发现错误而执行的一个程序或者系统的过程。

Testing is the process of executing a program with the intent of finding errors.

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测试是为了发现错误而执行的一个程序或者系统的过程。

Testing is the process of executing a program with the intent of finding errors.

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