Objective To explore the effects of environmental lead exposure on immune system in preschool children.
目的探讨环境铅暴露对学龄前儿童免疫系统的影响。
Objective: To observe the effect of environmental temperature on liquefaction of deep burn wound.
目的：观察环境温度对深度烧伤创面液化的影响。
OBJECTIVE to understand environmental factors which cause nosocomial infection in ICU.
目的了解引起重症监护病房(icu)医院感染的环境因素。
Decide the environmental objective, the environment management system, and improve it while carrying it on.
制定环境目标、目的，确立环境管理体系，在执行过程中完善体系，力图不断提高。
Decide the environmental objective, the environment management system, and improve it while carrying it on.
制定环境目标、目的，确立环境管理体系，在执行过程中完善体系，力图不断提高。
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