| 1. | In many systems of permanent subsistence agriculture, domesticated animals play an important role .
在许多固定的自给农业系统中，家畜起着重要的作用。 |
| 2. | System sciences and comprehensive studies in agriculture
农业系统科学与综合研究 |
| 3. | System sciences and comprehensive studies in
农业系统科学与综合研究 |
| 4. | Pc cluster system apply to solving liner equations
与农业系统生产力 |
| 5. | The economic structure and simulation of agricultural system in shijiazhuang city
石家庄市农业系统的经济结构及其模拟 |
| 6. | Grassland agricultural system and sustainable development of agriculture in the western china
草地农业系统与西部农业的可持续发展 |
| 7. | Analyses on agricultural systematic productivity in ecotone between agriculture and animal husbandry in northern china
北方农牧交错带农业系统生产力研究方法分析 |
| 8. | Slashing and burning ( incidentally , no agricultural system is closer to being " traditional " ) destroys our ancient forests
伐木和焚烧（顺便说，没有什么农业系统更接近于“传统的” ）毁灭了我们的原始森林。 |
| 9. | The feasibility of agro - system establishment dominated by grassland livestock industry was demonstrated from society , economy , technology and environment aspects
从社会、经济、科技和环境等角度进一步论证了山西省山地丘陵区建立草地畜牧业主导型农业系统的可行性。 |
| 10. | In order to provide sufficient food and energy for the region and to protect ecological high valued nature reserves , agricultural systems have to be improved and intensified on economic terms
为了给这一地区提供充足的食物和能源，并保护生态意义重大的自然资源储备，农业系统必须在经济意义上得到改进和加强。 |
