The BTYPE column identifies the object type: 'T' for table, 'I' for index, and 'F' for function instance.

BTYPE列显示对象类型：'T' 表示表，'I' 表示索引，'F' 表示函数实例。

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For instance, the -f switch commonly used to tell a program to read a configuration file complicates the configuration because the file may override or supplement options given on the command line.

例如，- f开关通常用于告诉程序读取一个配置文件，这将因为该文件可能覆盖或者补充命令行上给出的选项而使处理变复杂。

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For instance, the -f switch commonly used to tell a program to read a configuration file complicates the configuration because the file may override or supplement options given on the command line.

例如，- f开关通常用于告诉程序读取一个配置文件，这将因为该文件可能覆盖或者补充命令行上给出的选项而使处理变复杂。

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