OBJECTIVES: to know flora distribution and their resistance of pathogenic bacterium causing urinary system infection in our hospital in order to direct rational usage of antibiotics.
目的：了解我院泌尿系统感染病原菌的菌群分布及耐药情况，指导临床合理应用抗生素。
Objectives: the distribution of gentamicin along the fluid Spaces of the cochlea after local applications has never previously been demonstrated.
目的：在局部应用庆大霉素之后，庆大霉素沿着耳蜗液体的空间分布情况在此前的研究之中从未得到证明。
Objectives to understand the fluctuation and distribution pattern of Oncomelania snails after migrated into marshland where no snail infested.
目的阐明长江下游地区钉螺再次迁入无螺江滩后的钉螺消长和分布变迁规律。
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