The experiments show that the double digital water - marking system reaches the goal of copyright and content protection.

实验表明，该双数字水印系统达到了版权和内容保护的目的。

youdao

The experiments show that the double digital water - marking system reaches the goal of copyright and content protection.

实验表明，该双数字水印系统达到了版权和内容保护的目的。

youdao