| 1. | Agroecosystems are often highly productive .
农业生态系统通常具有很高的生产力。 |
| 2. | Natural and agricultural ecosystems form a continuum .
自然生态系统和农业生态系统构成一个连续的统一体。 |
| 3. | The world food imbalance is a problem of agricultural ecosystems and their management .
世界粮食生产的不平衡是农业生态系统及其管理部门的一个问题。 |
| 4. | How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies ?
由于矿物燃料供应量下降，我们供应农业生态系统能量能持续多久？ |
| 5. | Tourism resources in agricultural ecology : an analysis
农业生态旅游资源及其分析 |
| 6. | Some opinions about agricultural eco - tourism
关于农业生态旅游的几点看法 |
| 7. | Ecological and environmental problems in agriculture
我国的农业生态环境问题及其治理对策 |
| 8. | Warning from the agricultural ecology in korea
来自韩国的农业生态警示 |
| 9. | Problems in construction of suburban agro - ecological environment
论郊区农业生态环境建设的几个问题 |
| 10. | Influence on agricultural ecological environment of china after entering wto
对我国农业生态环境的影响 |
