目的了解近年来临床病原菌的耐药性变迁情况，为临床治疗提供依据。
Objective to study the drug resistance variation of pathogens, and to provide the basis for clinical therapy.
目的探讨近年来泌尿系感染病原菌及其耐药性的变迁。
Objective To investigate the alteration of pathogenic bacterium and drug resistance in infection of urinary system in recent years.
目的了解病原菌分布及耐药性变迁，给疾病诊断和合理使用抗生素提供帮助。
Objective To explore the distribution of pathogens and vicissitudes of drug resistance for offering the help about diagnosis and reasonable using antibiotics.
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