food chain-
Insects are fairly low down the food chain .
在食物链中，昆虫是相当低的一级生物。
-
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。
-
The whole food chain is affected by the overuse of chemicals in agriculture .
整个食物链因农业生产过程过多使用化学品而受到影响。
-
The effect was to disrupt the food chain , starving many animals and those that preyed on them
其结果就是破坏食物链，使很多动物和那些以捕食它们为生的动物饿死。
-
Those kinds of changes could affect the food chain ．
这些变化可能会影响食物链。
-
It is an example of a food chain .
这是食物链的一个例子。
-
The food chain shows the order that animals eat each other in a community .
食物链显示一个群落中动物们以彼此为食的顺序。
-
Within a food chain , some living things are producers and some are consumers .
在食物链中,有些生物是生产者,有些是消费者。
-
If they find a dead animal in the area , they study where the animal fits in the food chain and how and why it died .
如果他们在这一地区发现了一句动物尸体，他们就会研究这种动物在食物链中的位置，以及它是如何死亡和为什么死亡的。
-
As the wild boar and deer populations were gradually restored , the food chain for the tigers became more stable .
而野猪和野鹿群体数量逐步恢复，老虎的食物链也更加稳定。
-
A qualitative analysis of a food chain model of three species
一类三种群捕食链模型的定性分析
-
Officials also say it never entered the human food chain .
官员称它从未进入人类的食物链当中。
-
Or did it come from higher up on the food chain ?
或者那来自于食物链的更高层？
-
Research and Function of Traceability System in Food Chain
可追溯系统在食品供应链中的作用与研究
-
My treasure has a key role in the food chain .
宣面是食物距中的要角。
-
An analysis on the problem of Chinese fast food chain store and its countermeasures
浅析中式快餐连锁面临的问题及其对策
-
Think humans are at the top of the food chain ?
人类处于食物链的最高级么？
-
Investment is likely to be forced down the food chain .
投资目标可能被迫转向食物链下游。
-
A research into the stability of the ecology system of food chain with any length
任意长度食物链生态系统稳定性的进一步研究
-
I was pretty low on the corporate food chain .
我在森严的公司等级中地位相当低。
-
Transfer of Iodine from Environment to Human Food Chain
碘从环境向人类食物链的迁移
-
Simulation study on transport of rare earth elements along an aquatic food chain
稀土元素在水体食物链生物中迁移的摸拟研究
-
Stability and persistence of a food chain system with Holling type
一类带有Holling型食物链系统的稳定性和持久性
-
And influence on humanity by food chain may be suggested to be little .
且稀土主要累积在水稻的根部，通过食物链对人类影响较小。
-
The Natural Economics , Food Chain and the Bird 's Virus Infection
自然经济体系、食物链与禽鸟病毒传染
-
The Transfer of Selenium From Soil to Food Chain
硒从土壤向食物链的迁移
-
Accumulation , Transport and Toxicity of Cu in Marine Food Chain
铜在海洋食物链中的积累转移和致毒效应
-
Human Health and Element Balanced Food Chain
人类健康与元素平衡食物链
-
It can enter the body through the food chain , soil , water and air .
可通过食物链、土壤、水和空气进入人体。
-
In junior high , the drama kids seem like the food chain .
在初中学生之间就有食物链一样的