| 1. | Contour planning with or without terracing is effective in conserving both soil and moisture . 等高栽植,无论做或不做梯田对于保持水土都能有效。 |
| 2. | Soil amp; water conservation by using the rumex foliage 利用酸模属植物保持水土 |
| 3. | We must take steps to keep the soil in place 我们必须采取措施保持水土。 |
| 4. | One of its important functions is to nourish and cherish the source of water , and keep the soil 它的一个重要功能是涵养水源保持水土。 |
| 5. | One of its important functions is to nourish and cherish the source of water , and keep the soil 它的一个重要功能是涵养水源、保持水土。 |
| 6. | They improve air and water quality ; trees stabilize the soil and prevent erosion 他们能净化空气,涵养水源;他们的根可以保持水土、防止土壤腐蚀。 |
| 7. | At the edge of many lakes and rivers are saturated wetlands ? the swamps , bogs , and marshes ? that support myriad types of plant and animal life , prevent floods , retain sediments , and purify drinking water 许多江河湖泊的岸边都是饱含水的潮湿土壤? ?湿地,泥沼和沼泽? ?它养育了无数种植物和动物,预防洪水,保持水土,净化饮用水。 |
| 8. | At the edge of many lakes and rivers are saturated wetlands ? the swamps , bogs , and marshes ? that support myriad types of plant and animal life , prevent floods , retain sediments , and purify drinking water 一些湖泊和河流的边缘都被潮湿的土地? ?湿地、沼泽渗透,为无数种类的植物和动物的生命提供养分,阻止洪水,保持水土,净化饮水。 |
| 9. | It is important to form coverage close to ground for soil and water conservation by vegetation , and it is a key to soil and water conservation by vegetation to promote development of coverage layer close to ground or pay close attention to changes of it 植被保持水土重要的是应具有贴地面的覆盖层,促进贴地面覆盖层的发育或关注贴地面覆盖层的变化是植被保持水土的关键。 |
| 10. | The results showed that forest vegetation could effectively conserve water and soil and improve entironment , while the effects of water and soil conservation were significant varied between different vegetations , the effect of mixed forest was significant 结果表明,森林植被能有效地保持水土,改善生态环境,但不同植被下保持水土的效果有明显差异,尤以混交林保持水土效果显著。 |