Objective: to adopt effective interventions to ensure medical treatment security by analyze hospital environmental pollution factors.
目的：通过分析医院环境污染因素，采取有效的干预措施，确保医疗安全。
The winter dense fog appeared frequently in Hangzhou in 1998 and its reason was of meteorological factors and environmental pollution factors.
杭州市1 998年冬季大雾频发，这是气象因素与环境污染共同作用的结果。
Among the environmental pollution factors, the most detrimental factor is atmospheric sulfur deposition for atmospheric corrosion of carbon steel.
在所研究的环境因子中，对碳钢大气腐蚀危害最大的是大气中的硫沉降因子。
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