常見(jiàn)例句雙語(yǔ)例句As important forage crops, legumes of the genus Chamaecrista play an important role on soil improvement, water and soil conservation, etc.決明屬牧草既是重要的飼料作物，又在土壤改良、水土保持等多方面發(fā)揮著積極作用。Therefore, more efforts should be laid on the improvement of soil water environment while following the principle of "selecting suitable tree species for sites" in planting.因此，在以適地適樹(shù)原則適應(yīng)土壤水分環(huán)境的同時(shí)，應(yīng)加強(qiáng)土壤水分環(huán)境的改善。But the big function of soil and water conservation and the improvement of soil texture and seedling nursing have not been studied systematically.但對(duì)它強(qiáng)大的水土保育功能（抑制水土流失、改善土壤質(zhì)地） ，以及與水土保育相關(guān)聯(lián)的幼苗保育功能等方面研究較少。 返回 soil water improvement