上海人李慧珠（音译）用自己任教的幼儿园发的代金券和戏票，以及同事朋友送的化妆品换来500多件日用品。
Shanghai native Li Huizhu has swapped coupons and show tickets given by the nursery school where she teaches, and cosmetics gifted by friends and colleagues, for more than 500 items of everyday use.
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。
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.
李一鸣；任慧平；金自力低碳钢板冷轧退火组织和织构的研究。
Ray R K; Jonas J J; Hook R K Cold rolling and annealing textures in low carbon and extra low carbon steels.
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