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Water beetles can swim in water, fly in the air, and have strong phototaxis.
龙虱在水能游, 出水能飞, 并有很强的趋光性.
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3、
Scientists invented a mosquito-repellent device using mosquito's phototaxis.
利用蚊子的趋光性,专家发明了一种灭蚊器.
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5、
Male adult, 2nd-instar and 3rd-instar larvae all had strong negative phototaxis.
雄成虫、2龄、3龄幼虫具有较强的负趋光性，而雌成虫对光照则不敏感。
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