每次攻击过后，科学家们都要记录下精确的地理位置和水深，以及攻击成功与否。
After each attack, the scientists recorded the precise geographical location and the depth of the water, as well as whether the attack was successful or not.
然而，远早在核武器以及攻击外在某物的渴望产生之前，人类就从内在透过他们自己的DNA而炸毁了自我。
However long before nuclear armament and the desire to blow something outside of self came to be so, humans blew themselves up from within and through their own DNA.
本文的内容主要安排如下：第一章系统地论述了数字水印的历史、概念、应用、原理，以及攻击方法和性能评估等。
We organize the paper as below: The first chapter introduces the concept, definition, application and some attack method of watermarking.
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