同时，通过标签机制，有效防止了节点对信任信息的恶意篡改。
The protocol also implemented tag mechanism to prevent malicious distorted information.
要实现篡改图像的恢复，就要有足够多的图像信息。
To recover the distorted images, we must have enough image information.
要实现篡改图像的恢复，就要有足够多的图像信息。
To recover the distorted images, we must have enough image information.
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