| 1. | Issues of tourism resource classification and evaluation
旅游资源分类与评价问题一 |
| 2. | Standards of classification for groundwater resources
地下水资源分类分级标准 |
| 3. | Classification investigation and evaluation of tourism resources
旅游资源分类调查与评价 |
| 4. | Classification and codes for forestry resources - tree diseases
林业资源分类与代码林木病害 |
| 5. | Classification and codes for forestry resources . forest types
林业资源分类与代码森林类别 |
| 6. | Categorization of information resources under cyber circumstances
网络环境下的信息资源分类 |
| 7. | Classification and exploitation of mianyang ' s tourism resources
绵阳旅游资源分类及开发研究 |
| 8. | Classification and evaluation of the tourism resources in chenzhou
郴州市旅游资源分类及评价 |
| 9. | Classification and codes for forestry resources - natural reserves
林业资源分类与代码自然保护区 |
| 10. | Classification and codes for forestry resources - injurious tree - insects
林业资源分类与代码林木害虫 |
