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美国生物学家希克利最近在水中放出某种电子脉冲，鱼就自动游到他的小船边，两个凌晨小时钓了169条鱼。钓鱼不用鱼钩@卫荣祥
The American biologist, Scicli, recently released some sort of electronic pulse in the water. The fish automatically swam to the side of his boat. Two hours earlier they caught 169 fish. Fishing without fish hooks @ Wei Rongxiang