graded soil 中文意思是什麼

graded soil 解釋
級配土壤
  • graded : 沖淤均衡的
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  1. Well - graded soil

    級配良好土
  2. Poorly - graded soil

    級配不良土
  3. 2 identify the soil as a poorly graded gravel, gp, or as a poorly graded, sand, sp, if it consists predominantly of one size ( uniformly graded ), or it has a wide range of sizes with some intermediate sizes obviously missing ( gap or skip graded )

    2如果土包含一個主要的粒徑（均勻的級配） ，或者有一個很寬的，一些中間粒徑明顯缺失的范圍（間隙或跳躍的級配）
  4. Both the farmland graded and strategy of exploitation and utilization upon the farmland recourses are in order to improve the soil conditions, optimize the soil resources, raise the land of use efficiency, increase effective cultivated area, reach the dynamic equilibrium of all the farmlands and provide a soil safeguard for the development of our social economy

    農用地的分等定級和對土地資源開發利用對策研究都是為了改善土地利用條件，優化土地資源配置，提高土地利用率，增加有效耕地面積，實現農業用地的總量動態平衡，為社會經濟提供土地保障。
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