So we put forward an algorithm of dual concurrent signature and design an electronic payment protocol without the trusted third party (TTP).

通过以上分析研究，本文提出了“双重的同时生效签名”算法，设计了无可信第三方的电子支付协议。

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In respect to the limitation of document similarity measuring based on VSM, this paper put forward an algorithm based on public substring of strings.

针对向量空间模型在文档相似度量方面的局限，提出了基于计算公共子串的文档相似度量算法。

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To solve the problem of automatic classification for ultrasound placenta images, we put forward an algorithm based on adaptive multiple neural networks.

针对胎盘超声图像自动分级这一临床应用问题，提出一种基于自适应多神经网络的分级算法。

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