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- Regression analysis found that clay content was more important in the situation of low pH for conservation of soil nutrients. 研究显示,土壤黏粒含量对土壤养分的保持能力在低pH条件下比在高pH条件下显得更为重要。
- Making use of character of fabric structure and combing with the features of protected soil, the texture design technique of geotextile for the conservation of soil is researched. 结合被保持土壤性质,利用织物的结构特征,研究了用于土粒保持用土工织物的密度设计方法。
- Our community is a leader in the conservation of wildlife. 我们社区在野生动物保护方面走在前头。
- Who discovered the conservation of energy? 谁发现了能量守恒?
- Law of soil and water conservation. 国家制定颁布的水土保持法令。
- There are some clods of soil on the mat. 垫子上有些土块。
- the conservation of soil and water 水土保持
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- mechanism of conservation of soil and water 水土保持机理
- Most people have come to accept the need for conservation of natural resources. 现在大多数人已认识到保护自然资源的必要。
- It's rich there because of the fertility of soil. 因为土地肥沃,那儿很富裕。
- Clods of soil stuck to the spade. 土块黏在铁铲上。
- You must master the law of conservation of energy. 你必须掌握能量守衡定律。
- There is a need for the conservation of trees. 有必要保护树木。
- They were engaged in the study of soil conservation. 他们在从事土壤保持的研究。
- Application of law of conservation of momentum. 四、动量守恒定律的应用。
- Conservation of water is of great importance. 节约用水非常重要。
- Effects of PAA on fertilizer and water conservation of soil 对土壤水肥保持作用的研究
- Conservation of water is of great importance in desert areas. 沙漠地区实行控制用水非常重要。
- Skin particles are a form of soil. 皮肤碎屑是污垢的一种形式。