This book is copyright protected so no adaption should be made without the writer's permission.

这本书受著作权保护，未经作者许可，不得擅自改编。

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Article 23. Copyright protected under this Law shall emerge on the date when a work is created.

第二十三条著作权自作品完成创作之日起产生，并受著作权法的保护。

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This paper borrows the idea from spread spectrum watermark, quantizes the wavelet transform coefficients the copyright protected image to produce a binary sequence, which is just the watermark.

本文的水印方法借助扩频水印的思想，通过量化函数对版权保护图像的小波变换系数进行量化，产生的二值序列作为水印。

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The Internet search company is putting books online that are no longer protected by copyright.

VOA: special.2009.07.24

Had the sounds of pi been copyright protected, the courts would have been busy sorting out the claims.

WSJ: We Can All Have a Slice of Pi | Postmodern Times by Eric Felten

Now, folks, this is very scary, especially when you think in the back of your mind there is even a 1% chance that the person owning that computer either intentionally or inadvertently downloaded something which in some way was copyright protected.

FORBES: ��STOP! YOUR COMPUTER HAS BEEN LOCKED BY THE FBI��

Prosecutor Hakan Roswall said the website was commercially exploiting copyright-protected work because it was financed through advertising revenues.

BBC: RELATED BBC SITES