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美国一家养鱼场使用了一种自动投料监视器,不仅大大减轻了工作人员的劳动强度,节省鱼饲料,而且能减轻因浪费饲料而引起的水质污染,促进鱼类生长。
A fish farm in the United States used an automatic feeding monitor, which not only greatly reduced the labor intensity of the staff and saved fish feed, but also reduced water pollution caused by waste of feed and promoted fish growth.