...：在一定区域或一定生态环境内，各种生物群体构成的一个生态学结构单位，群落中各生物群体之间存在各种相互作用。 生态系统（ecosystems）：生物群落和它们所生活的非生物环境结合起来的一个整体。生态系统是生物圈的组成单元，生物圈内的任何一个相对完整的自然整体都...
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自然排水系统 Natural drainage systems ; Natral dranag systs 自然生态系统 natural ecosystems ; natural ecosystem ; Ecosystems ; ecosystem 非自然语言系统 nonnatural language system ..
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Forest ecosystems 森林生态系统
Marine ecosystems 海洋生态系统
Arid land ecosystems 干旱地区生态系统
natural ecosystems 自然生态系统 ; 当然生态系统 ; 系统
Tropical ecosystems 热带生态系统
TERRESTRIAL ECOSYSTEMS 陆地生态系统
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以上来源于: WordNet
N-COUNT An ecosystem is all the plants and animals that live in a particular area together with the complex relationship that exists between them and their environment. 生态系统 [技术]
...the forest ecosystem.
…森林生态系统。
How about beavers—ecosystems with beavers in waterways.
海狸怎么样——水道中包含海狸的生态系统。
Once the fire is out, the grass and shrub ecosystems should return quickly.
火一旦被熄灭，草和灌木的生态系统就会很快恢复。
At one time, ecologists believed that species diversity made ecosystems stable.
生态学家曾一度认为，物种多样性使生态系统变得稳定。
He and his team studied tree mass, dead wood and soil carbon in twenty-five mangrove ecosystems in the Indian and Pacific Oceans.
VOA: special.2011.05.10
Foreign plants growing in the area can upset the balanced ecosystems of native plants and animals.
VOA: special.2009.04.22
This will have a bad effect on the mountain's ecosystems and on Tanzania's travel industry.
VOA: special.2009.04.22
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