方法：应用寿命表法求得接尘剂量与发病水平的关系。
Methods: Seek interrelation between dust dose and morbidity level with the method of life table.
结果：发病水平随接尘剂量的增高而增高，求得了两者之间的回归方程。
Results: the morbidity level increased with dust dose increased and we obtained an equation of regression between them.
定期监测昆虫学接种率的有关参数及其数量变化，可以预测疟疾流行趋势和发病水平。
The prevalence trend of malaria could be predicted through the monitoring of the entomological inoculation rate.
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