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1·In general, string escaping functions escape these characters as well as further, non-printable characters, if applicable.

在一般情况下，字符串转义的功能以及进一步摆脱这些字符，非打印字符，如适用。

2·The data is entirely binary and unprintable, so it has been printed out with the non-printable characters in hexadecimal format.

因为该数据完全是二进制且不可输出，所以已经以十六进制格式的非输出字符输出了。