Methods To carry out the sterilization surveillance based on "Hygienic standard for disinfection in hospitals"and a field survey by using a questionnaire.
方法按照《医院消毒卫生标准》监测消毒质量，用《医院消毒管理现状调查表》开展现场调查。
METHODS To carry out a field epidemiological survey and etiological study on Listeriosis.
方法：定点进行了流行病学调查和病原学研究。
Pass to be engaged in to actually set out, carry on a survey research with the objective method, comprehensive argument, then make sure processing project according to the structure induced.
通过从事实出发，用客观方法进行调查研究、综合论证，然后再根据所归纳的结构确定处理方案。
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