含水印数据的质量评价是衡量水印嵌入隐蔽性和数据可用性的重要指标。
Quality of the watermarked data is an important metric for measuring the invisibility of the watermark and the validity of the marked data.
仿真实验显示，SHT模型能有效减少对等网络系统的拓扑维护开销，提高系统稳定性和数据可用性。
The simulation experiments show that SHT model can efficiently reduce the maintenance overheads, and effectively improve the system stability and data availability in P2P systems.
您需要处理新的可用性、法律、政策和数据质量问题，并且这仅限于处理信任的用户。
You have new usability, legal, policy, and data quality issues to deal with, and that's just dealing with users who come in good faith.
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