Dynamic data analyses are difficult, so this kind of watermark is more robust to watermark attacks.
因为分析动态数据的困难性，这种动态水印对水印攻击的抵抗能力较强。
Watermark attacks and relevant remedies against those attacks are also discussed.
我们还讨论了数字水印应用中常见的攻击以及相应的对策。
Watermark attacks and relevant remedies against those attacks are also discussed.
我们还讨论了数字水印应用中常见的攻击以及相应的对策。
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