Objective To investigate the characteristics of antibiotic associated diarrhea ( AAD ) in elderly patients.

目的　了解老年患者抗生素相关腹泻 ( AAD ) 的特征.

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OBJECTIVE To evaluate the prevention and treatment effects of microecologics to AAD.

目的评价微生态制剂预防和治疗抗生素相关性腹泻(AAD)的效果.

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It can enhance economic aad will have influence on people's ideology.

它能提高经济增长率,并且对人们的意识方面有很大的影响.

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It can enhance economic aad will have much influence on people's ideology.

能提经济增长率,并且人们意识方面有影响.

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In this paper We discuss several semi - homeomorphic equivalent theorems aad its application for semitopological space.

本文讨论半拓扑空间的半同胚等价定理及其应用.

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In aAd Hoc network ( MANET ), due to host mobility, broadcast is an important operation.

在 MANET 网络中, 由于主机的移动, 广播是一种非常重要的操作.

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