Objective: To study the protective effects of Huoxue Tongluo Decoction (HTD) on human umbilical vein endothelial cells (HUVEC) through the peroxide damage model in vitro.
目的：研究中药复方活血通络汤对过氧化氢所致人脐静脉内皮细胞(HUVEC)损伤保护作用的机制。
Topic detection and tracking (TDT) aims to develop a series of technologies for event based information organization, and hierarchical topic detection (HTD) is a new task of it.
针对互联网上论坛和新闻网站发布的海量自然语言文本，该文设计一个话题识别与跟踪系统，将海量的数据分类整理并聚合形成各个话题。
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