18. Calophyllum polyanthum is a reforestation species of Yunnan province with the quality of straight stem and good wood quality.
滇南红厚壳是云南新发掘出来的一种优质造林树种，其树干通直圆满，材质优良，是制作刨切单板的优质材料。
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19. In this paper, methods of a variety of site preparation reforestation which existed in the region were reviewed and analyzed.
在本论文中，对目前存在于该地区的多种整地造林方式进行了综述和效果分析。
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20. The number of those particles has dropped as a result of reforestation programs that lessen the dust storms that blew in from deserts.
经过一系列的森林再造，减少了从沙漠吹过来的沙尘暴之后，这类颗粒物浓度已经有所减少。
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21. The survey will substantially improve knowledge on land use change including deforestation, reforestation and natural expansion of forests.
调查将显著改善有关土地利用变化，包括森林砍伐、重新造林和森林自然扩展等方面的知识。
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22. The author gives a brief introduction to the experimental result of reforestation in the arid sandy areas of Northern Shaanxi province.
该文简要介绍了陕北风沙干旱地更新造林的试验成果。
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23. Constructing intelligent advisory information system for bamboo's afforestation can provide information service for bamboo's reforestation.
构建竹林造林智能信息咨询系统可以为竹林造林工作提供信息咨询。
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24. But as misgivings about the merits of reforestation grow, it is turning to technology projects, which will make up 80% of its portfolio this year.
但随着对再造林好处的忧虑增多，该公司开始转向技术工程，这些工程占今年总投资额的80%。
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25. Needed action could include rehabilitation of damaged forests, reforestation, and replanting of trees in home gardens and other agroforestry systems.
需要开展的活动包括恢复受损森林、重新造林和在庭院植树以及其他农林兼作系统。
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26. He says many countries appear to be ready to agree to things like reforestation efforts and technology adaptation to reduce greenhouse gas emissions.
27. He says many countries appear to be ready to agree to things like reforestation efforts and technology adaptation to reduce greenhouse gas emissions.
