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The regional ecological system is fragile. 区域生态系统脆弱。
Effects of manual controlling techniques on complex agricultural ecology system in the north agricultural region 人控技术切入对北方农区农业复合生态系统影响分析
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?
Research on Phosphorus Ioad from Agricultural Ecology System in Purple Soil of Middle-Sichuan by NPS Way and the Environmental Effects 川中丘陵区农业非点源磷输出及其环境效应
agricultural ecological system 农业生态系统
Key words: Guizhou Province; karst; arid hillside farmland; terracing; agricultural ecological environment. 范厚明，农艺师，贵州省毕节市德沟，毕节地区农业科学研究所，551700
Since the opening of the agricultural ecological park, the number of tourists every day has surpassed 10 thousand. 农业生态园开园以来，每天的游客都人数过万。
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。
Maoming has plenty of tourist resources, with great potentials in seaside tourism, agricultural ecological tourism and industrial sightseeing. 茂名旅游资源丰富，海滨旅游、农业生态旅游和工业观光旅游的潜力大。
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。
From unified angle of system with environment,the model,characteristic and the meaning and content of forewarning analysis are studied for agricultural ecologic economic system. 从系统与环境相统一的角度，研究了农业生态经济系统的模型、特征、预警分析的意义和内容；
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 ecology system will be broken if too many trees were felled. 过度砍伐树木会破坏生态系统。
We will consider all of the systems listed in our examination of agricultural ecology. 我们考虑把所有的系统列入我们农业生态学的研究范畴。
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。