查询词典 ecological

With theoretical introduction and example analysis, the relationship between the living beings and it's environment could be elucidated at the level of individual, population, biocoenosis, ecosystem, and biosphere, respectively, aiming at making the students have the capability to grasp the fundamental knowledge system of ecology and ecological ideology, and improving the understanding of the environment problem.

本课程主要从个体，种群，群落，生态系统和生物圈等不同层次上分析生物与环境之间的关系方式，通过理论推介，案例剖析，使学生掌握生态学的基本知识体系和思想方法，形成宏观的生态思维，提高对当前资源和环境问题的认识能力和把握水平。

The biodiversity conservation is one of the important ecological functions of forest.

森林对生物多样性的保育是森林最主要的生态功能之一。

It may be used to analyze the ecological relation between biological population and its habitat. Finally, the process of the establishment of Cui-Lawson's model, was analyze...

最后，对崔—Lawson氏模型的机理进行分析，认为该模型是基于种群营养的生化过程建立的另一个种群增长的新模型。

Traditional theory of ecological carrying capacity, which was established on the basis of quantitative dynamic of natural biological population, met extreme challenge while applied to human ecosystem research.

建立在自然生物种群数量动态基础之上的承载力理论，当其应用于人类生态系统的研究时，遇到了极大的挑战和困惑。

Firstly, the effect of multiple ecological factors on biological characteristics of Arthrobacter population was nonsymmetrical in heavy metal tailing soil, and bacteria tend to regulate the INC relatively to IDC when facing the natural selective pressure.

种群在高浓度Pb选择条件下降低的遗传多样性表明它们在适应重金属污染时付出了进化代价，抗重金属在某种程度上也降低了菌株对干旱胁迫的耐受。

One of the theoretical issues arising from any pesticide is the effect of a killing substance on the target population. Because a target population is a biological entity, and as such, subject to evolutionary and ecological processes, evolutionary ecologists would predict that a substance designed to kill insects would at the same time act as a selection pressure for resistance to the same substance.

理论上，我们需要关注的问题之一是，杀虫剂对目标群体杀伤作用的影响，因为，目标群体属于一个生物体系，同样需要遵从进化和生态学过程，进化生态学家认为，杀虫剂用来杀虫同时，也是一种针对杀虫剂抗性的选择压力。

Based on the relative theories of biomathematics, a new approach to trend extrapolation of time series of ecological footprints is proposed in this paper. Materials for analysis were taken from the agricultural areas of oases in the Hexi region of Gansu province as an example.

应用数学生态学的有关理论与方法，结合生态足迹的概念，提出了一种生态足迹时间序列的新的趋势外推分析方法；并以甘肃省河西绿洲农业区为研究对象，对其生态足迹进行了趋势外推分析的实例计算。

As the edge of the land and wet eco-system, the landscape ecological edge effect of urban waterfront area is manifest, such as complex biome structure and diverse habitat. It's also the most important recreational space of the city.

简介： 城市滨水区处在陆地与湿地生态系统的边界，其景观生态边界效应明显，如生物群落结构复杂，生境多样等，但同时也是城市游憩休闲空间的重要载体。

Ecological footprint is a biophysical methodology to evaluate regional sustainable development based on biological productive area.

生态足迹是基于生物生产面积测度区域可持续发展的生物物理方法。

How to utilize biotic resources and keep the homeostasis of the ecological system.

随着工业的发展和人口的增长，合理利用生物资源，维持自然界的生态平衡，越来越受到世界各国的重视。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐