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重点生态公益林
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重点生态公益林
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重点生态公益林
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key ecological forests
重点生态公益林
以提供森林生态和社会服务产品为主要目的的重点防护林和特种用途林。生态区位极为重要,生态状况极为脆弱,对国土生态安全、生物多样性保护和经济社会可持续发展具有重要作用。
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CIVDC
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civic culture
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Civil Air Navigation Services Organization
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Civil and Mineral Engineering Building, University of Minnisota, USA
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Civil Aviation Administration of China
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Civil Aviation Flight University of China
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