The digital watermark technology is one kind of effective digital product copyright protection and the data security maintenance technology which appears in the recent ten years.
数字水印技术是近十年来出现的一种有效的数字产品版权保护和数据安全维护技术。
The digital watermark technology is one kind of effective digital product copyright protection and the data security maintenance technology which appears in the recent ten years.
数字水印技术是近十年来出现的一种有效的数字产品版权保护和数据安全维护技术。
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