To ensure the security of wartermark, the wartermark image was scrambled beforeembedding and then expanded to the twifold size of the original image.
为保证水印的安全性，在嵌入之前先对水印图像作置乱处理，再将水印图像位扩展为原始图像的两倍大小。
An effect of laser energy enhancement occurs in dual-modular, the output energy of dual-modular is 15% higher than twifold energy of single modular.
实验表明双模块器件存在很强的激光脉冲能量增强效应，双模块串联输出的激光能量比单模块激光能量的两倍还大15%。
To ensure the security of wartermark, the wartermark image was scrambled before embedding and then expanded to the twifold size of the original image.
为保证水印的安全性，在嵌入之前先对水印图像作置乱处理，再将水印图像位扩展为原始图像的两倍大小；
To ensure the security of wartermark, the wartermark image was scrambled before embedding and then expanded to the twifold size of the original image.
为保证水印的安全性，在嵌入之前先对水印图像作置乱处理，再将水印图像位扩展为原始图像的两倍大小；
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