您要查找的是不是：
- The regional ecological system is fragile. 区域生态系统脆弱。
- This paper deals with interacton between the urban ecologic system and environment in Xuzhou City. 本文研究了徐州市城市生态系统与自然环境之间的相互作用。
- The results reveal the following facts in the Aksu Area.As to the energy flow, the energy production in cropland ecologic system is low-level and inefficient. 结果显示,在能流方面,阿克苏地区农田生态系统的能量产出水平和效率都处于较低水平;
- The protection of the ecological system was further enhanced. 生态环境保护力度加大。
- Economic Growth and Ecological System: Balance or Both Winning? 经济发展与生态维护:权衡抑或双赢?
- The ecology system will be broken if too many trees were felled. 过度砍伐树木会破坏生态系统。
- As to the energy flow, the energy production in cropland ecologic system is low-level and inefficient, and the structure of manure used is not diverse, fertilizer is the main manure. 结果显示，在能流方面，本区农田生态系统的能量产出水平和效率都处于较低水平，农田肥料投入单一，主要以化肥为主。
- From the viewpoint of industrial ecology, a new concept of mine environment problem and the industrial ecologic system of mines are described. 从工业生态学的观点阐述了矿山环境问题的新观念和矿山工业生态系统;
- The tourist ecological system which has reached the acme of perfection sufficiently presents the coloring of life. 尽善尽美的旅游生态系统充分展现生活色彩。
- Ecologic system optimization algorithms 拟生态系统优化算法
- Importance will be attached to the protection of the existing ecological system in wetlands and development of artificial wetland as appropriate. 重视保护现有湿地生态系统，在适宜地区建设人工湿地。
- The complex and varied terrains and landforms as well as the unique type of ecological system have created a natural paradise for biodiversity. 复杂多样的地形地貌和特殊的生态系统类型，为生物多样性营造了天然乐园。
- Of the ten national-level and provincial-level nature reserves, most belong to the primeval forest ecological system. 还有十多个国家级和省级的自然保护区，其中不少是原始森林生态系统。
- The subsistent human beings in actuality are those who are experiencing life in an ecological system. 现实生存的人是在生态系统中从事着生命体验活动的人。
- But the truth is that it is energy that makes the world go round. Energy is the currency of the ecological system. 但事实上,是能量驱使世界运转。能量是生态系统的媒介。
- Wetlands are critical to any ecological system, but particularly one which is as extensive and diverse as the Mekong River Basin. 湿地是不可或缺的生态系统，尤其是广泛富饶的湄公河流域。
- The tourist ecological system which has reached the acme of perfection.sufficiently presents the coloring of life. 尽善尽美的旅游生态系统充分展现生活色彩。
- The deforestation of rainforests will greatly upset ecological systems. 热带雨林植物的毁灭将对生态系统造成严重影响。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
