Whether it is browser security protection, code library management, and even the detection of duplicate files stored in the media, hashing technology plays an important role.

无论是浏览器安全保护、代码库管理乃至检测存储介质的重复文件，散列技术都在其中发挥着重要作用。

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In addition, compared to single signature, multi-signature can improve the recall rate further in duplicate image detection.

另外，多特征签名相对单特征签名，能进一步提高重复图像检测的召回率。

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Compared with other address auto-configuration protocols, this protocol assigns unique address to node rapidly without performing duplicate address detection. So the overhead is very low.

与其他地址自动配置协议相比，本文提出的策略可以快速完成地址配置，不需要进行重复地址检测，开销很少。

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"There are some obstacles we need to overcome in duplicate detection and captchas, " he says.

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