双语例句
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Objective To study the effect of Lymnaeidae size on infection of Trichobilharzia living in the Huaihe River system.
目的探讨椎实螺个体大小对淮河水系毛毕吸虫感染的影响。
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Objective To investigate the species, infection rate and rhythm of reproduction of the Lymnaeidae, intermediate host of Trichobilharzia in the Huaihe River System.
目的探讨淮河水系毛毕吸虫中间宿主椎实螺的种类、感染情况及繁殖节律。
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