这些有驱蚊树和吃蛹蚊的鱼。
These include trees that repel mosquitoes and fish that eat the larvae.
方法将蚊卵分别放人不同盐度的水中孵化；观察不同盐度水中卵的孵化率、幼虫成活率及成蛹情况。
Methods the mosquito eggs were set into the different salinity water and the hatch percentage of eggs, the growth of larvaes and the number of pupas were recorded.
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