查询词典 environmental

We choose the arid land of northwestern China as our study area because of its extensive area, specific geographical location, dry climate, varied topography, vulnerable ecosystems and long-term human disturbance, as well as the existence of current conflicts between economic development and environmental protection. Based on the literature, we choose ten desert species with clear and relatively accurate geographical distribution ranges to model their distributions:Anabasis brevifolia, Atraphaxis frutescens, Calligonum mon-golicum, Ephedra przewalskii, Gymnocarpos przewalskii, Haloxylon ammodendron, Haloxylon persicum, Ka-lidium cuspidatum, Salsola laricifolia, and Sympegma regelii.

：选择面积广阔、地理位置特殊、气候干旱、地形地貌多样、生态系统脆弱以及人类活动长期干扰，而且目前面临着西部大开发和环境保护双重矛盾的西北干旱区作为研究区域，通过收集西北干旱区多种优势种和常见种的地理分布资料，选取10种分布范围相对明确、资料相对齐备的荒漠植物种：短叶假木贼、木蓼(A- traphaxis frutescens)、沙拐枣、膜果麻黄、裸果木、梭梭柴、白梭梭、尖叶盐爪爪、松叶猪毛菜(Salsola lar- icifolia)和合头草，定量分析其地理分布与气候因子的关系，并据此估测其潜在中心分布区和潜在最大分布范围，与实际分布范围进行比较。

Through the comparison of the advantages and disadvantages of each method and their interconnections, in allusion to the idiographic circs of Changlejiang, which is one anabranch of Caoejiang river, this paper adopts section- beginning control to calculate the environmental capacity, applicates the physical connotations as welI as the adoptable conditions of each method into practice by the numbers ,the results of calculation indicating that all the methods are feasible and reliable.

本文通过分析比较各方法的优劣及其相互联系，针对曹娥江支流--长乐河的具体情况，采用段首控制对其水环境容量进行计算，系统地将各方法的物理含义及其适用奈件推广到实际中。计算结果证明了方法的可靠性。

By considering the trait of the artery and anabranch of the Three-Gorges reservoir and analyzing the environmental elements influencing the growth of the algae, we improved on thenutrition dynamic model of the algae"s growth, carried on computer numerical value simulating on the evolvement process of the eutrophication of the Wujiang River, the Hanjiang River and the Three Gorges reservoir by cell mapping algorithm and revealed the dynamics action and mutation forms in the process of the valleys" algae blooms and the relationship between the major elements influencing the algaes growth and the model surge function.

本文结合三峡水库干、支流水体环境特点，通过对影响流域水体藻类生长的环境因素进行分析，改进藻类生长营养动力学模型，并利用胞映射算法对乌江、汉江和库区流域富营养化演化性态进行了计算机数值模拟和仿真分析，揭示流域水华发生过程的动力学行为、混沌性态和流域水质中主要藻类生长控制因子与模型振荡函数间的关系。

Through the indoor platform experiment, road experiment and environmental pollution of analogue tunnel experiment, the paper investigates the smog emission amount of diesel and CO emission of automobile in different velocities.

通过室内台架实验、道路实验和模拟隧道污染环境实验，研究了不同车速下柴油车烟雾排放量和汽油车CO排放量。

The study apply economic cost-benefit analysis, environmental impact economic cost-benefit analysis and system theory, and using the analysis methods such as Analytic Hierarchy Process, the Key Performance Index Analytic Method and Delphi Method.

本项研究应用经济损益分析、环境影响经济损益分析、系统论等理论，利用层次分析法、关键绩效指标分析法、专家咨询法等分析方法。

Analysis of element is an important field of environmental analytical chemistry.

环境中痕量元素的分析方法是环境分析化学的研究内容之一。

Two days later, I announced one of the most important environmental accomplishments of my entire eight years in office, the establishment of the 1.7 million-acre Grand Staircase-Escalante National Monument in the remote and beautiful red rock area of southern Utah, which contains fossils of dinosaurs and the remains of the ancient Anasazi Indian civilization.

两天后，我宣布了总共任职八年中最重要的环保成就之一：在犹他州南部遥远而又漂亮的红色岩石地区建立170万英亩的大阶梯-埃斯卡兰蒂国家名胜古迹区，它包括恐龙化石和古代阿纳萨基印第安文明的遗迹。

The effects of environment factors on the migration and distribution of anchovy were probed quantitatively by using environmental fitness.

依据2001～2003年间秋、冬季调查资料，对黄海鳀鱼的越冬洄游分布与环境因子的关系作了初步研究；利用一个以温、盐为参量的刻画海区物理环境对鳀鱼适合程度的指标，对环境因子在鳀鱼洄游分布中的作用做了初步的定量探讨。

The Group may contract a variety of municipal environmental management projects, and provide raw materials, ancillary equipment and related technical advice.

本集团可承揽各种市政环境治理工程，并提供原材料、配套设备及相关技术咨询。

"What we found was sort of surprising," said Andres Clarens, a civil and environmental engineering professor at the University of Virginia and lead author of the paper.

"我的发现令人吃惊，"弗吉尼亚大学市政和环境学工程师Andres Clarens教授在其署名文章中说到。

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！