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- 系统system
- 生态系统ecological system
- 在水栖生态系统中,镉可以积聚在蚌类、牡蛎、虾、蟹和鱼的体内。In aquatic ecosystems cadmium can bio-accumulate in mussels, oysters, shrimps, lobsters and fish.
- 森林或林地,具成熟或过熟的或多或少没有被人类活动影响的生态系统forest or woodland having a mature or overmature ecosystem more or less uninfluenced by human activity
- 草原生态系统Grassland ecosystem
- 区域生态系统脆弱。The regional ecological system is fragile.
- 保护性生态系统protective ecosystem
- 北极生态系统arctic ecosystem
- 保护性质生态系统protective eco system
- 模式生态系统model ecosystem
- 水是维持生态系统良性循环的根本。Water is the core of a healthy ecosystem.
- 闭合生态系统closed ecological system
- 不完全生态系统incomplete ecosystem
- 城市湿地在城市绿地生态系统建设中的作用及其保护建议The role of urban wetland in the urban greenland eco-system and its conservational suggestion
- 模拟生态系统model ecosystem
- 流域生态系统watershed ecosystem
- 高原生态系统Highland ecosystems
- 自给生态系统self-contained ecosystem
- 河流生态系统river ecosystem
- 生态系统结构ecosystem structure