Objective to explore the rule of growth and multiplication of snails in man made irrigation, and thus to provide evidence for snail control with ecological method.
目的描述人工灌溉区钉螺生长繁殖特征，为实施生态学方法控制钉螺提供理论依据。
Objective to explore the rule of growth and multiplication of snails in man made irrigation, and thus to provide evidence for snail control with ecological method.
目的描述人工灌溉区钉螺生长繁殖特征，为实施生态学方法控制钉螺提供理论依据。
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