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本文根据对黑热病流行区的现场调查，初步分析了黑热病及其传播媒介白蛉与自然地理、植被状况的关系，为该病的防治提供科学依据。
Based on the field investigation of the endemic area of kala-azar, the paper initially analyzed the relationship between kala-azar and its natural white sand and its physical geography and vegetation status, and provided a scientific basis for its prevention and control.