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ecological forestry
释义
ecological forestry
Encyclopedia
管理学
〔林业经济〕
释
ecological forestry
生态林业
兼顾经济效益和生态保护的新型林业发展模式。
农学
生态林业
释
ecological forestry
生态林业
具有多功能经营目标、多成分多层次组成结构、整体协调和循环再生特点的优化林业生产模式。
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elementary method of integration
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elementary number theory
Elementary on Astronomy
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