SARS coronavirus and oxygen transfer model within alveolus tissues at the end of bronchia was established.Pathological cause of SARS was then interpreted from the engineering point of view.

• 建立支气管末端肺泡组织内病毒和氧扩散模型,从工程角度解释了SARS攻击肺部的原因,特别讨论了影响肺部组织氧传输的因素。