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科学家正在德国试验一种装置，这种装置不仅能将猪圈里的臭气吸走，而且能将刺鼻的气味转化成农场施用的肥料。该系统的试验地点设在法兰克福东部农民保罗·克利默斯的养猪场。到农场来的人，远在几百米以外就能闻到肥壮的猪身上散发出的熏天臭气。阿克佐·诺贝尔公司（荷兰一
Scientists are testing a device in Germany that will not only remove odors from the pens but also convert pungent smells into fertilizers for farms. The system was tested in a pig farm at Paul Clemeth, a farmer in eastern Frankfurt. People who come to the farm can smell smoky odors from fat pigs as far as a few hundred meters away. Akzo Nobel Corporation (Netherlands