随着游牧社会的出现，出现了大量具有相似文化、生态甚至语言特征的地区，这并非偶然。
It is no accident that with the appearance of pastoralist societies there appear large areas that share similar cultural, ecological, and even linguistic features.
为了再现四个世纪之前的曼哈顿，他们需要回到这个岛屿最基础的生态学特征上，回到它的岩石结构和陆表地形。
To create an image of Manhattan four centuries ago, they took the island back to its ecological fundamentals, back to the bedrock and surface topology.
土地是人类生产与生活的载体，是一个国家存在与否的基本特征，也是生态环境系统的重要组成部分。
Land is the carrier of human production and life, which is a basic feature of the national existence, and is an important component of the ecological environmental system.
林业系统生产力是林业生态系统最本质的特征之一。
Forest system productivity is essential feature of forest ecology system.
生理生态学的重点在研究生物个体与其环境的物理、化学特征之间的关系。
Physiological ecology focuses on the relationships between individual organisms and the physical and chemical features of their environment.
作为东南沿海的重要城市，厦门具有鲜明的生态环境特征。
As an important city of Southeast China, Xiamen has distinct ecological environment.
稳定性是生态系统重要的特征之一。
Stability is one of the most important characteristics in ecosystem.
此外，设计中也包括了对沉积和侵蚀的控制，这将会逐渐创造各种河流景观特征的生态型。
Furthermore, conditions for sedimentation and erosion processes are carefully included in the design, which will gradually create various ecotypes, characteristic for the river landscape.
还分析了该保护区鸟类组成区系和鸟类生态群的特征。
The character of avifauna and the bird ecological group in this reserve were analysed.
企业集群有着生物群落的行为特征，它本身就是一个社会生态系统。
The enterprise cluster, which possesses some behavioral traits of the biotic community, is a social ecological system.
全面介绍了中甸牦牛的产地自然生态环境、品种形成、外貌特征、适应性和生产性能。
This paper introduces the natural ecology condition of original place, breed formation, appearence, character, adaptability and production performance of Zhongdian yak.
从河流的连续性特征出发分析了大坝对于河流生态系统的胁迫问题。
The stresses of DAMS on river ecosystems are analyzed based on river continuity characteristics.
其三是突出明显的地域性文化特征，具有生态性、艺术性和文化性等特点。
A third is highlighted significant regional cultural characteristics, has artistic and cultural ecology, etc.
生态环境具有明显的多变性和脆弱性特征。
The ecological environment possesses obvious variable and vulnerable characteristics.
外来杂草在新生境成功入侵，除了具备一些基本的生物生态学特征外，还应具备一些特有的入侵机制。
A successful invasion of exotic weeds depends not only on their bio-ecological traits, but also on some specific mechanisms of invasion.
河流自然生命是一个新概念，它的定位和界定不是基于传统的生物学意义上的定义，而是依据非生命整体生态系统有机体特征和不可分割的属性。
River's natural life is a new concept, its orientation and definition is not based on traditional biological definition, but on the organism character and unitary of non-live whole.
最后，根据喀斯特生态系统各个演替阶段的特征，提出相应的能促进喀斯特生态系统顺向演替的建议措施。
Finally, according to the characteristics of Karst ecosystem in each phase of succession, the paper puts forward some advice on boosting Karst ecosystem for positive succession.
特征指示种花粉雨研究，对古生态环境重建也具有重要的意义。
The study on pollen rain of characteristic indicator species has important significance for reconstructing paleo_ecological environment.
李仙江流域梯级电站开发建设即有单个电站对生态环境的影响特征，又有影响的累积性、群体性、系统性、波及性和潜在性。
Step hydropower development in Lixianjiang river basin has single impacts and cumulative impacts on ecological environment as well as systematic and colonial and potential impacts.
能量流动是所有生态系统内在的共有的功能特征之一。
Energy flow is one of the inherent and common function characteristics of ecosystems.
土壤渗吸性能是土壤重要的物理特征之一，是生态效益的重要组成部分。
Soil permeability is one of the important physical properties of soil and important component of the ecological benefits.
本文在调查鄱阳湖区湿地生态环境特征的基础上，分析两种控湖水位运行方案对湖区湿地生态环境的影响。
After analysised the characteristic of wetland ecosystem in Poyang Lake, we state the impact of two water lever operation scheme to the wetland ecosystem in Poyang Lake.
目的描述人工灌溉区钉螺生长繁殖特征，为实施生态学方法控制钉螺提供理论依据。
Objective to explore the rule of growth and multiplication of snails in man made irrigation, and thus to provide evidence for snail control with ecological method.
第一部分介绍了世界遗产资源的特殊性、生态旅游的特征和生态旅游与大众旅游的区别。
First part introduces the special value of the world heritage resources, the characteristic of the eco-tourism and the difference of eco-tourism and popular tourism.
在本文中，对关键种的概念进行了讨论，并介绍了关键种的典型特征及其在群落和生态系统中的判别。
This paper discussed the keystone species concept and introduced the typical characteristics of keystone species and their identification in communities or ecosystems.
湿地水文特征演变会使湿地生态系统特征发生变化。
The evolution of wetland hydrological characteristics would change the characteristics of a wetland ecosystem.
从生态学的理论出发，工程项目系统具有和生态系统相似的特征。
Starting from the theoretical ecology, the characteristics of the engineering project system is similar to the ecosystems.
从生态学的理论出发，工程项目系统具有和生态系统相似的特征。
Starting from the theoretical ecology, the characteristics of the engineering project system is similar to the ecosystems.
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