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河流生态系统
释义
河流生态系统
Encyclopedia
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水生生态系统
释
river ecosystem
河流生态系统
河流生物群落与非生物栖息地环境各要素的统一整体及其他们之间相互作用、相互制约关系的总和。属于流水生态系统。
理学
河流生态系统
释
river ecosystem
河流生态系统
河流与水生生物及周围环境构成的一个相对独立的统一体。
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agricultural cooperation economic organization
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Agricultural Disasters and Reduction Contermeasures
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Agricultural Economics and Management Disciplinary Appraisal Panel
agricultural economic statistics
agricultural economic thought in ancient China
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