soil and sedimentation

英 美
  • 侵蚀泥沙
  • and conj.和;加;接着;那么
  • sedimentation n.沉淀;沉降
  • soil n.土地;土壤;污物,粪便v.弄污
    1. The runoff sediment has higher clay content than the surface soil, andthe splash soil has higher fine sand content.
      通过对侵蚀上壤的颗粒组成分析表明,侵蚀对土壤颗粒具有选择性,径流侵蚀泥沙中粘粒含量比侵蚀表土含量高,溅蚀泥沙中细沙粒含量变高。