目的探讨尘肺病的流行病学特征，为尘肺病的防治对策提供科学依据。
Objective to study the epidemiological characteristics of pneumoconiosis and so as to provide scientific bases for establishing control and preventive countermeasures of pneumoconiosis.
结论根据上述流行病学特点，分析了工伤事故发生的原因并提出了相应预防的对策。
Conclusion According to Epidemiology characteristics, the reason of accidents were analyzes so as to put forward the preventive counter-measure.
为控制风疹发病，对安徽省风疹流行病学特征和拟采取的控制对策进行了分析。
To control rubella, the epidemiological characteristics and control measures of rubella in Anhui Province were analyzed.
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