生产者通常被称为第一营养级，被异养称为自养。
Producers are often referred to as being in the first trophic level and are called autotrophs by the heterotrophs.
这就导致在更高营养级上的有机体中，农药的浓度增加。
This results in an increasing concentration of insecticide in organisms at the higher trophic levels.
近几年来植物—植食性昆虫—天敌间的三重营养级关系研究是一个热点。
Three nutrition relationships between plant and plant-eating insect and natural enemy are focused in some years.
对害虫区系的形成原因、各区的区系特征及其害虫的营养级特征进行了分析。
Analysis was done on the formation of each fauna, the fauna features and nutrition of the pests.
本文分析了白洋淀鱼类的食物组成、食性类型、营养级、食物网及食物竞争。
This paper analysed the loud composition food type, nutritional grade, food wed and food competition of the fishes inBaiyangdian Lake.
有些生物存在于以甲烷为第一营养级的食物链中。甲烷是从地球内部可燃气体，通常在海底渗出。
Some creatures are part of food chains that begin with methane gas which seeps from the Earth's interior in particular places, frequently at the bottom of the sea.
他们发现，与较高营养级的生物相比，生物事件的变化更多地发生在处于较低营养级的生物体中。
What they found was that the changes in biological events were greater toward the bottom of the food chain than they were at the top.
系统受过度捕捞渔业影响很大，并存在营养级I利用效率低和渔业资源小型化、低值化等不稳定的幼态特征。
The ecosystem appears to be a young weak one caused by overfishing, with small and low-valued fishes dominated and low ecotrophic efficiency for trophic level I.
绝大部分生物都是食物链中的一部分，它是以地球内部特殊部位缓慢渗出的甲烷为第一营养级，而这些气体经常在海洋底部出现。
Most, but not all. Some creatures are part of food chains that begin with methane gas which seeps from the Earth's interior in particular places, frequently at the bottom of the sea.
医药的纳米级处理——设想、捕捉、释放营养和药物的新方法。
Nanoscale processes in medicine -- new approaches to visualizing, trapping and releasing nutrients and drugs.
在一项研究中，近600名孩子，从幼儿园到六年级，参加了旨在让他们吃更多的蔬菜和粗粮的营养课程。
In one study, nearly 600 children from kindergarten to sixth grade took part in a nutrition curriculum intended to get them to eat more vegetables and whole grains.
对于只接受过五年级教育的她来说（项目下的许多父母都是如此），健康营养是一个新的观念。
With her fifth-grade education - typical of many parents in the program - the idea of healthy nutrition was new.
南卡罗莱娜大学有位二年级生名叫AlexFeintuch。过去的一年中，20岁的他已经在塑形营养品上花费了超过1000美元。
OVER the course of a year, Alex Feintuch, a 20-year-old sophomore at the University of South Carolina, spent more than $1, 000 on fitness supplements.
是的。超维度影响通常是产生病理的原因。这可以归结为对这一级现实包括饮食和营养的影响。
Yes. Hyperdimensional influences are often the cause of pathology. This can be due to influences at this level of reality including dietary and nurture.
采用两级逆向垂直潜流人工湿地去除污水中的营养物质。
This research applied two-stage inverse vertical subsurface flow constructed wetlands to removal nutrients in wastewater.
采用纳米级的天然活性珍珠精华，具有高活性、易吸收、全面营养等特点。
Contain nanoscale natural active pearl essence, characterized by high activity, high absorption and full nutrition.
苹果树、金纹细蛾及其寄生蜂通过取食、寄生、重寄生等方式，在自然界中构成了4级营养食物链（网），相互依存，协同进化。
The apple trees, Lithocolletis ringoniella and its parasitic wasps constituted the 4 grade nutritional food chain(web) in the natural capital, and they were interdependent and coevolution.
并提出了一级油和四级油的联产设计方案，使米糠油营养价值和经济效益最大化。
In addition, co-generation scheme between first grade oil and fourth grade oil is put forward, which can maximize both nutritive value and economic benefit of rice bran oil.
每一位顶级运动员都要不断地参加科学专业的训练，并采取相应的配套措施如最佳的营养、放松等。
Every top level athlete regularly engages in discipline specific training and takes supporting measures such as optimal nutrition and relaxation.
每一位顶级运动员都要不断地参加科学专业的训练，并采取相应的配套措施如最佳的营养、放松等。
Every top level athlete regularly engages in discipline specific training and takes supporting measures such as optimal nutrition and relaxation.
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