步骤5等同于删除任何其他文档，这要使用一个额外的修订参数，该参数反映如何检索文档。
Step 5 is the same as deleting any other document, with the additional revision parameter mirroring how the document was retrieved.
实验表明，该算法具有很好的鲁棒性和不可感知性，能够抵抗帧删除等同步攻击以及基于视频内容的攻击；
The experimental results demonstrate the algorithm has great robustness and unperceptiveness and can efficiently against temporal synchronization attacks and content-based attacks.
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