它允许您将系统错误消息作为字符串进行访问。

It allows you to access the system error message as a string.

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它可以将结果作为系统内存中的字符串存储到文件或数据库表内。

It can store the results as a string in system memory, into a file, or into database tables.

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提要源细节可以通过存储在系统内存的字符串的形式，借助一个输入文件或作为数据库中的记录提供。

The feed source details can be provided in the form of a string stored in system memory, via an input file, or as records in a database.

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