Based on the elliptic curve discrete logarithm problem, Ji and Li proposed a proxy signature scheme and a proxy multi-signature scheme and Chen et al. proposed two proxy multi-signature schemes.
基于椭圆曲线离散对数问题，纪家慧和李大兴提出了一个代理签名方案和一个代理多签名方案，陈泽雄等人给出了另外两个代理多签名方案。
Chen Li; Sungsoo Kim; Ji Fu Lai Risk factors for lymph node metastasis in undifferentiated early gastric cancer.
王和明；尹浩然；林言箴影响胃癌淋巴结转移的多因素分析。
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