Method The study methods of this project included dynamic disease surveillance, multiple risk factors examinations, cross - sectional and prospective study, and modeling of predictive models, etc.

方法本专题采用的研究方法包括：疾病动态监测、危险因素动态监测、横断面研究、前瞻性观察、生态学比较和模型预测等流行病学方法。

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Color-Flow Doppler Ultrasound measures the severity of peripheral vascular disease and is used by Cardiology for dynamic evaluation of the heart, heart valves and major vessels.

彩色血流多普勒超声措施， 周围血管疾病的严重性，并用于心脏病的心脏，心脏瓣膜及大血管的动态评价。

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Objective To investigate the dynamic changes of the coagulation function in children with infectious disease and its prognosis significance.

目的探讨儿童感染性疾病中，凝血功能变化对感染的诊断及转归的意义。

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