...表-21世纪论文网 关键词：天然林保护工程；森林管护；现状；问题；对策 [gap=668]Keywords: natural forest protection project; Forest management; The present situation; Problem; countermeasures ..
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Natural forest protection project 天然林保护工程; 天保工程 收藏 northern coniferous forest biome 北方针叶林生物群系 收藏 .
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It also further prove that the natural forest protection project scheduled time should be again prolonged for a further extension of 30 to 40 year references.
这也更进一步证明了天保工程期再延长30～40年的提法。
参考来源 - 黑龙江森工林区发展问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Comprehensively Organizing and Implementing the Natural Forest Protection Project.
全面组织实施天然林保护工程。
The natural forest protection project had initiated, and input into forestry was further enlarged.
天然林资源保护工程开始启动， 林业投入进一步加大。
The research also do some empirical work take the natural forest protection project (NFPP) for instance.
研究以天然林资源保护工程为例，展开了实证分析。
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