| 1. | The trees may be cut as a part of a silvicultural thinning .
这些树木可以被砍掉作为造林疏伐的一部分。 |
| 2. | No one has yet looked critically at the economics of afforestation .
至今还没有人有分析地对待造林经济学。 |
| 3. | As a consequence large-scale afforestation schemes have been started to provide cheaper sources of wood .
为了提供较廉价的木材资源，就开始进行大规模的造林计划。 |
| 4. | Research and development of rattan in china
造林密度对马尾松木材主要性质影响的研究 |
| 5. | Technical regulation for afforestation by aerial seeding
飞播造林技术规程 |
| 6. | Caution of landslip in rainy or bad weather days
树林内的环境造林和管理 |
| 7. | Opening ceremony for the movement to create a low - pollen forest
低花粉造林运动的开幕典礼 |
| 8. | Tree seedling quality grading of major species for afforestation
主要造林树种苗木质量分级 |
| 9. | Tree seedlings of major species for afforestation
主要造林树种苗木 |
| 10. | On reforestation in state - owned forest region
国有林区更新造林浅议 |
