Applying both methods to worldwide data, the scientists say industrial fishing over the past decades has not simply worked its way downwards from the top of the food chain -- it has gone upwards, too.
如果将关注食物链顶端和底端的方法同时应用到全球性数据上，那么，科学家们得出的结论是，过去10年的工业捕渔更偏向捕食低食物链鱼类，而对高食物链等级的鱼类而言，它们的食物总量减少了将近一半，倘若按照食物链理论的逻辑，现存高食物链等级的鱼类总数是增加了而不是减少了，因此，不能够简单地认为，工业“捕渔”导致鱼类总体的数量减少。
Heavy metals also can be introduced into the food chain by widespread industrial pollution.
重金属也可通过广泛的工业污染进入食物链。
Corn-fed cows on industrial feed lots are another part of this dangerous food chain.
在工业化的养殖厂，牛以玉米为食。这是食物链中又一个危险的环节。
Pet pet industry is generated around a series of production, sales and service and other economic industrial chain, including pet grooming, pet boarding, pet food.
宠物行业是指围绕着宠物产生的一系列生产、销售和服务等经济产业链，包括宠物美容，宠物寄养，宠物食品等。
Industrial pollution in France's second-longest river has transmitted toxic chemicals through the food chain and ruined fishermen's livelihoods.
法国第二大河的工业污染已经把有毒化学物质传给了食物链，摧毁了渔民的生计。
Industrial pollution in France's second-longest river has transmitted toxic chemicals through the food chain and ruined fishermen's livelihoods.
法国第二大河的工业污染已经把有毒化学物质传给了食物链，摧毁了渔民的生计。
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