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为了解地下医院空气微生物状况，我们于1993年1月至1994年6月对华北某地两所地下医院空气质量进行了调查，现将结果报告如下．1内容与方法对两所分别建在不同坑道内，无视械通风及空气净化装置的医院（下称1、2号医院）进行细由总数、真菌数、草绿色和溶血性链球菌（称链球菌）
To understand the state of airborne microbes in underground hospitals, we conducted an investigation of the air quality of two underground hospitals in a place in North China from January 1993 to June 1994, and the results are reported below. 1 Contents and Methods Two hospitals (No. 1 and No. 2 hospitals) that were built in different tunnels without mechanical ventilation and air purification devices were divided into two groups by the total number of fungi, grass green and hemolytic streptococcus Cocci)