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洲垸地区血吸虫病流行因素的最大特点是垸外江湖水位有大幅度季节性变化，垸内渠道水位也有明显的季节升降。为了解水位季节性变化对垸外洲滩和垸内渠道钉螺分布及感染的影响，并为优化防治对策提供理论依据，１９９１～１９９４年，在洞庭湖区园林、中心、李和、五一、石马、?
Zhou embankment area schistosomiasis prevalence of the most significant factor is the embankment water level has a substantial seasonal changes in the embankment, the water level within the embankment there are significant seasonal movements. In order to understand the seasonal variation of water level on the snail distribution and infection in embankments and embankments in embankments, and to provide a theoretical basis for the optimization of control measures, from 1991 to 1994, in the garden, center, Lihe, Wuyi, Shi horse,?