This signature block file stores the digital signature of the corresponding signature file.
这个签名块文件存储相应的签名文件的数字签名。
A digital signature is a signed version of the.sf signature file.
一个数字签名是.SF签名文件的已签名版本。
There is no digital rights license to burn this file to disc.
没有数字权利许可证，无法将此文件刻录到磁盘上。
Easily import and remove your digital pages in a book file.
轻松导入和删除在您的数字图书文件的网页。
Easily import and remove your digital pages in a book file.
轻松导入和删除在您的数字图书文件的网页。
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