| 1. | if continues to increase at an accelerating rate, it is certain that ecological effects must occur at some time. 如果二氧化碳继续加快速度增加,肯定在某些时候,生态学效应一定会发生。 |
| 2. | Research of ecological effects on crops fertilized with sulfur 作物施硫生态效应研究 |
| 3. | On the natural rights and its ecological effects 论自然权利及其生态效应 |
| 4. | Study development of ecological effect of eucalyptus plantation 桉树人工林生态效应研究进展 |
| 5. | Physiological and ecological effects of sulfur fertilization on soybean 大豆施硫的生理生态效应 |
| 6. | Landscape ecological effects of the forest belt around xi ' an city 西安市环城绿化带的景观生态效应 |
| 7. | Ecological effect and economic development 发展经济与生态效益 |
| 8. | Ecological effects of transgenic plants 转基因植物的生态影响 |
| 9. | Economic and ecological effects of the apple - pleurotus ostreatus system 平菇复合系统生态经济效应研究 |
| 10. | Ecological effect of eucalyptus forest and its ecological forest management 桉树的生态效益及其生态林经营 |