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| 31. | The long-term social threat posed by uncontrolled soil erosion raises profound questions of intergenerational |
| 土壤侵蚀带来的长期社会威胁会造成两代人之间的不公平。 |
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| 32. | To fertilize(soil)by applying material such as barnyard dung. |
| 施肥用肥料如谷场旁的粪肥来肥沃（土壤） |
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| 33. | A polypeptide antibiotic, produced by the soil microorganism Bacillus brevis, that is a major constituent |
| 短杆菌酪素一种多肽抗生素，由土壤中的微生物土壤杆菌产生，是混合短杆肽菌的重要组成部分 |
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| 34. | Some measures to control flood in the Yangtze River watershed were suggested by using “soil reservoir |
| 土壤遭受侵蚀后致使“土壤水库”库容损失严重，雨水进入“土壤水库”的通道受阻。 |
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| 35. | soil environment by water conservancy project |
| 水利土壤环境 |
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| 36. | "Before it becomes available to the plant it has to be acted on by soil bacteria and changed to nitrates |
| 它必须首先经土壤微生物的作用转化为硝酸盐，才能被植物利用。因为这一过程需要时问，施用后要过一两个星期肥效才能表现出来。 |
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| 37. | clay soil formed by sedimentary deposits. |
| 由沉积的沉淀物形成的粘土。 |
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| 38. | Removal or erosion of soil by the action of moving water. |
| 水蚀流水引起的水土流失或侵蚀 |
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| 39. | The land area affected by soil erosion has topped 3.67 million square kilometer and continues to expand |
| 全国荒漠化面积达262．2万平方公里，并呈扩大的趋势，全国水土流失面积达367万平方公里,也在进一步扩大。 |
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| 40. | An antibiotic produced by the soil bacterium Bacillus brevis and used to treat infections caused by certain |
| 短杆菌肽，短杆菌抗生素由一种土壤杆菌短杆菌产生的，用于治疗由革兰氏阳性菌引起的感染 |
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