1) ecology national defense forest
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生态国防林
1.
This paper divides and measures area,location,resource of daxing anling ecology national defense forest,states importance of founding its natural protection area.
本文重新初步区划测算了大兴安岭林区国防林面积、位置、资源状况 ,阐述了建立大兴安岭生态国防林自然保护区的重大意义。
2) ecological national defence
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生态国防
3) ecological protective forest
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生态防护林
1.
Research on the ecological protective forest GIS in Zhengzhou City and its application;
郑州市生态防护林地理信息系统研究及应用
4) ecological shelter forest
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生态防护林
1.
In improving the ecological environment, maintaining the ecological safety, the construction of ecological shelter forest has significant effect.
我国生态防护林在改善生态环境、维护生态安全方面发挥着巨大的作用,然而,人们对生态防护林的破坏也十分严重。
6) protective forest ecosystem
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防护林生态系统
1.
According to the features of water cycle in protective forest ecosystem in loess area,the equation of water balance for the protective forestry ecosystem was put forward.
根据黄土地区防护林生态系统水分循环的特征,提出了防护林生态系统水量平衡方程。
补充资料:国防科学技术先期技术开发(见国防科学技术预先研究)
国防科学技术先期技术开发(见国防科学技术预先研究)
advanced technology development of national defense science and technology
guomng kexue listiu Xlanqi lishu切ifa国防科学技术元期仪不井汉哗u-vanced teehnology develoPment ofnationalde-fense seienee and teehnology)见国防科学技术预先研究。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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