As a rule, however, the elevation of an animal to pet status removes it entirely from the human food chain.
但一般说来，当动物被拔高为宠物之后，它就不会再被人类列入食物链。
But the researchers are also concerned the resistant bacteria will find their way back into the human food chain.
研究者们担心，抗药性细菌会不会重回人类食物链。
The prion entered the human food chain without evident symptoms being observed - the pathogen was able to jump the species gap to humans.
在不引起可见的明显的症状的情况下，朊蛋白进入了人类的食物链，它可以跨过物种差异感染人类。
Environment factor has become one of the four factors that affect human food chain, life condition, and resident health as well as cause their death.
环境因素已成为影响人类食物链、生存条件、居民健康和导致居民死亡的四大因素之一。
All foods or ingredients that have been processed by new technologies be required to be labelled for 30 years from their introduction into the human food chain.
所有采用新技术加工的食品或原料要从人类食物链引入技术时贴30年的标签。
The specific chemicals to be studied are found in human sewage sludge which is frequently spread on fields where sheep graze prior to entering the human food chain.
所研究的特定化学物质在人类污水处理厂污泥中发现，在羊进入人类食物链之前，羊吃草处的污泥分布广泛。
Cadmium is difficult to be biodegradable, accumulate in the soil for many centuries before being absorbed by plants, eventually the human food chain through ingestion.
镉难于被生物分解，在土壤中积聚数个世纪后才被植物吸收，最终被人类经过食物链摄取。
This poses a threat to agriculture and the food chain, and consequently to human health.
这会对农业和食物链造成威胁，由此而危及人的健康。
Chemical pollution will bring about a threat to agriculture and food chain, and consequently to human health.
化学污染将威胁农业和食物链，进而危害人类健康。
The baiji is a beautiful mammal, on top of the food chain, close to human beings.
白暨豚是一种美丽的哺乳动物，在食物链中的位置处于上端，仅次于人类。
As species wither, the Marine food chain could be disrupted; human action is needed to curtail further acidification.
随着物种萧条，海洋食物链可能会被扰乱；削减进一步的酸化需要人类的行动。
Arsenic in soil can be taken up by plants and then transferred into human beings through food chain.
土壤中的无机砷在植物中的积累可通过食物链传递，从而对人体健康构成严重威胁。
He said no part of the cow entered the human food or animal feed chain.
他说没有任何牛肉部分进入了人类食物或者动物蓄养供应链中。
Because of similarity of chemical character, Zn and Cd give birth to accompany always, go to the plant by soil, then endanger the human health through the food chain.
由于化学性质相似，锌、镉在自然界总是伴生、伴存而造成伴随危害，经土壤到植物，继而通过食物链危害人类健康。
After the soil is polluted by the heavy metallic element, these harmful elements will enter finally the human body through the food chain, which will do harm to the human health.
因为土壤被重金属元素污染后，这些有害元素将通过食物链最终进入人体，对人体健康造成危害。
Since heavy metal is easy to pass food chain but living things beneficiate, to living things and the human body, healthy graveness threatens formation.
由于重金属易通过食物链而生物富集，构成对生物和人体健康的严重威胁。
As a member of food chain, human body "return" process should follow the natural law.
处于食物链中消费者的人类尸体“回归”过程理应遵循的自然规律。
Soil lead exceeding the allowed standard not only affects the plant's normal growth, but also harms the human health through the food chain.
土壤铅超标不仅影响植物体的正常生长，而且通过食物链危害人类健康。
Heavy metals accumulated in plant roots, stems, leaves and seeds, which will not only seriously affected plant growth and development, but also entered the food chain and endangered human health.
重金属在植物根、茎、叶及籽粒中的大量累积，不仅严重地影响植物的生长和发育，而且会进入食物链，危及人类的健康。
E. coli O157: H7 and other Shiga toxin-producing E. coli (STEC) are important human pathogens that are mainly transmitted through the food chain.
肠出血性大肠埃希菌o 157：H7和其它产志贺样毒素大肠埃希菌是引起人类疾病的重要食源性致病菌，它们主要通过食物链传播。
Chemicals and hormones entering the food chain can have disastrous consequences for human health.
食物链中化学品和激素的进入将给人的健康带来灾难性的后果。
So more researches should be done on how the high fluorine environmental background in these endemic areas do harm to human health through food chain.
进而对高氟的环境背景给人体健康带来的影响进行了系统研究。
Organic pollutants in soil may influence the normal function of soil, contaminate groundwater, air and food chain, and therefore impact human health and environmental quality.
土壤中的有机污染物可能影响土壤的正常功能，甚至造成地下水、大气和食物链的污染，对人类健康和环境质量产生威胁。
Heavy metals in the environment are difficult to degrade, which can be accumulated into the human body through the food chain, leading a serious threat to people's health and life.
环境中的重金属离子难以被微生物降解，通过生物链的累积进入人体，严重威胁着人们的身体健康及生命安全。
Heavy metal ions in water can be concentrated in aquatic organisms, which may threaten human health through the food chain.
水体中的重金属离子可以在水生生物中富集，通过食物链危害人体健康。
Heavy metal ions in water can be concentrated in aquatic organisms, which may threaten human health through the food chain.
水体中的重金属离子可以在水生生物中富集，通过食物链危害人体健康。
应用推荐