| 1. | Seed crops are collected from both natural stands and plantations which may have been culled to form seed stands .
种子采自天然林和人工林，两者都可能是经过去劣留优作为母树林的。 |
| 2. | Conservation techniques of natural forests in hebei forestry bureau
谈鹤北林业局重点天然林保护技术 |
| 3. | In general , soil moisture condition is better for the former
总的来说，天然林地土壤水分条件优于人工林地。 |
| 4. | Natural forest protection : an overview abroad and a review at home
国外天然林保护概况及我国天然林保护的进展与对策 |
| 5. | Application of participatory tools in the natural forest protection program
参与式工具在天然林资源保护工程中的应用 |
| 6. | Policy target of protect natural forest in the upper reaches of the changjiang river
长江上游地区天然林保护的政策目标 |
| 7. | Implementing natural forest protection project and developing economy of forest - covered region
浅析天然林保护工程中的问题与对策 |
| 8. | Analysis on community structure and species diversity of natural forest of betula luminifera
光皮桦天然林群落结构及物种多样性分析 |
| 9. | Chapter 3 analyses the effect that the nfpp beared the state - owned community
第三章笔者分析了天然林保护工程对国有森林社区的影响。 |
| 10. | In this day and age , it ' s not a sound business practice to trade in old growth wood
在现今这个时代，做原生天然林的贸易并非聪明的商业行为。 |
