Note that this function takes a hash reference, not an actual file name.

注意，该函数接受散列引用，而不是实际的文件名。

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This essay discusses on authenticity, reliability and function of proof and reference of files. The special function of file is irreplaceable and its value displays in various aspect.

文章论述了档案的真实性、可靠性及其凭证作用、参考作用，认为档案的独特作用是其它材料不可替代的，它的价值是表现在多方面的。

youdao

This essay discusses on authenticity, reliability and function of proof and reference of files. The special function of file is irreplaceable and its value displays in various aspect.

文章论述了档案的真实性、可靠性及其凭证作用、参考作用，认为档案的独特作用是其它材料不可替代的，它的价值是表现在多方面的。

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