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| 21. | primary soil sample collected in shaft is the true primary state soil sample, the sample collected by |
| 一般认为竖井中采取的大块土样，是“真正”的原状样，钻孔中使用取土器采取的原状样存在不同程度的扰动。 |
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| 22. | The buds are protected by the soil or surface litter. |
| 该种植物在近地面或土层内有越冬芽，可以被土壤或表层的枯枝落叶层保护起来。 |
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| 23. | Approach driven by soil information and long term farm production data. |
| 方法受土壤信息和长期农场产出数据决定。苏联时期有很好的土壤地图。林地也采用收益法估算。 |
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| 24. | the washing away of soil by moving water |
| 径流对土壤的冲刷;径流对土壤的冲刷 |
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| 25. | aerate the soil by digging it |
| 翻地使土壤通气. |
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| 26. | sun, of course, does not make rocks on the earth's surface red-hot, but rocks which are not protected by |
| 当然，太阳不会使地球表面上的岩石烧红，但是没有土壤和植被保护，岩石在阳光下会变得相当热。 |
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| 27. | make a smudge on; soil by smudging. |
| 在……上弄污迹；通过涂抹污迹使其变脏。 |
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| 28. | soil stabilization by electro-osmosis |
| 电渗法稳定土体 |
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| 29. | Areas hit by soil erosion has reached 360 million hectares, making up 38.2 percent of the country's total |
| 水土流失面积达3.6亿公顷，占国土面积的38.2%，每年流失土壤50亿吨。 |
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| 30. | loss of soil by strong winds cannot take place. |
| 大风吹走土壤的现象就不会发生了。 |
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| -- 来源 -- 综合英语第3册 - Unit 4 Natural Environment Text B |
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