At that time the United States pioneered the development of serious damage to the ecological environment of the buffalo and the the number of it was serious decline.
由于当时美国的开荒者为了开发严重破坏了水牛的生态环境，水牛的数量严重下降。
Moreover, the new concepts of ecological optimization criterion and finite time availability are presented.
同时，还介绍了生态学优化准则及有限时间可用性等新概念。
Through case study, find the bronze drum can use in the locality for a long time, there is connection that can't be isolated with the local unique ecological environment and culture factor.
通过个案研究，发现铜鼓在当地之所以能够长期使用，与当地独特的生态环境和文化因素有着紧密的联系。
In the same time destroy the ecological balance of human, is the edge of their own to death.
人类在破坏生态平衡的同时，正在把自己推向死亡的边缘。
Moreover all index systems and methods for urban ecological environment are studied. At the same time, the existing problems are indicated and the Suggestions are put forward.
对目前国内外城市生态环境评价指标体系和方法进行了分析和研究，提出了其中存在的问题和建议。
Other great shifts, such asclimate change and ecological disasters, have a certain progression andbuilt-in adjustment periods, but contact between humankind and aliens can occurat any time.
其它重大转变，比如气候变化和生态灾难，总有一个确定的进程和固定的调节时间。但人类和外星人的接触可以发生在任何时间。
The thesis, so far for the first time, analyzes and summarizes the functions and values of water resources in ecological environment according to their system and category.
全面系统地阐述了水资源的作用功能和价值分类，分系统分类别第一次深入剖析和总结了水资源的生态环境价值功能。
There were certain drawbacks in the three ways of gathering, which had many negative effects on the ecological environment and the society of the time.
这三种采木形式都有一定的弊病，这使皇木采办对当时的生态环境和社会都产生了很大的消极影响。
There are many forest and grassland in north China in ancient time, and ecological environment was in balance.
中国北方地区在过去的历史时期曾经有广泛分布的森林和草原，生态环境良好。
It is also an important content in researching its morpha and process of success in the ecological study for a long time.
对群落结构形态和演变过程的研究一直是生态学研究的重要内容。
At one time, due to excessive herding and reckless deforestation, the ecological environment of the mountain area was severely damaged, and the resources of animals and plants significantly dwindled.
曾有一段时期，由于过度放牧和肆意毁林，山区生态环境遭到严重破坏，动植物资源明显减少。
Terraced field can conserve water, soil and maintenance nutrient, and improve local ecological environment. At the same time, its impacts on local social economy and shaking off poverty are important.
梯田除了有效地发挥着蓄水、保土、保肥以及改善局域生态环境等功能外，对当地社会、经济，以及农民的脱贫致富发挥了重要作用。
Winner Lamp provides first-class products for the community; at the same time, Winner Lamp is committed to protect human health, natural resources and ecological environment.
唯能车灯为社会提供一流产品的同时，致力于保护人类健康、自然资源和生态环境。
Xi 'an Chanba ecological to help set up a short time, in human resource management system of construction is the initial stage.
西安浐灞生态区管委会成立时间不长，在人力资源管理体系的建设方面尚属起步阶段。
It is pointed out that the article of "on the ecological optimum performance of a quantum Carnot refrigerator" is incorrect. And the same time the analysis and review are done in detail.
指出了“关于量子卡诺制冷机的生态学优化性能”一文中的错误，并作了较为详细的分析和讨论。
So drinking or irrigating farmland for long time will undoubtedly bring serious negative impact on residents and crops even the local ecological environment.
因此，长期饮用此水或用于灌溉农田都会对居民及农作物甚至当地的生态环境带来严重的负面影响。
At the same time of accessing to enormous ecological benefits, social and economic benefits achieved great results.
在获得巨大的生态效益的同时，社会经济效益也取得了很大成效。
This research, at the same time, bring an impressive economic effect, and also social and ecological effect.
该项技术同时取得了显著的经济效益，社会和生态效益也十分显著。
Slope protection with vegetation is a kind of new technology which is used to stabilize rock slopes and beautify the ecological environment at the same time.
植被护坡是利用植被涵水固土的原理稳定岩石边坡同时美化生态环境的一种新技术，是涉及岩土工程、恢复生态学、植物学等多学科于一体的综合工程技术。
At the same time it warns human to protect agricultural ecological environment.
同时告诫人类共同保护农业生态环境。
At the same time, the theory about ecological environment water demands was studied and rational and practical methods on calculating the ecological environment water demands were put forward.
同时，对生态环境需水量理论进行研究，提出合理、实用的生态环境需水量计算方法。
This paper analyzed and optimized the power output, efficiency and ecological criterion of a universal irreversible combined Carnot cycle by using finite-time thermodynamics.
用有限时间热力学的方法分析具有热阻、热漏、内不可逆性的定常流联合卡诺型热机循环。
At the same time, human and industrial toxic waste materials are also drained into the sea in company with the river flows, which has serious effects on the estuarine coastal ecological environment.
与此同时，大量的人类与工业废弃物也随着江河径流入海，从而严重地影响到河口海区的生态环境。
At the same time, Zhangjiajie good ecological environment is also a paradise for animal and plant kingdoms.
同时张家界良好的生态环境也是动物的天堂，植物的王国。
The state-owned forestry region is the largest reserve resource of forest and supply base of timber in our country, bearing the important task of ecological construction at the same time.
国有林区是我国最大的森林后备资源培育基地和木材及林副产品供应基地，同时也担负着生态建设的重任。
Ecological services of forest ecosystem have been ignored for long time, largely depending on difficulty to evaluating ecological services of forest ecosystem.
生态环境评价是目前生态学领域的研究热点之一，主要包括生态环境质量评价和生态环境服务功能评价两个方面。
Not being managed in time does great harms to agriculture ecological environment in Dayu.
废水会污染环境，大余县没有及时治理对生态环境——农业生态环境造成了极大的危害。
Not being managed in time does great harms to agriculture ecological environment in Dayu.
废水会污染环境，大余县没有及时治理对生态环境——农业生态环境造成了极大的危害。
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