1) ecology national defense forest
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
生态国防
3) ecological protective forest
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
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
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。
参考词条