sediment

• This is changeable and rapid rate of sediment production .
  这是种多变而快速的沉积作用。
• The sediments are detrital .
  沉积岩为碎屑质。
• Rivers and torrents carried great loads of sediment out to sea .
  河流挟着大量沉积物奔流入海。
• The writer has borrowed freely from papers about sediments .
  作者引用了有关沉积物论文的材料。
• Loose sediments may be changed into solid sedimentary rocks .
  松散的沉积物可以变成坚硬的沉积岩。
• The sediments are detrital and largely of greywacke facies .
  沉积岩为碎屑质，大部分属于杂质砂岩相。
• Deposition is the laying down of sediment that has been transported .
  沉积是已搬运的物质再沉积下来。
• They sediment toward the bottom of the centrifuge tube at a velocity .
  它们以某一速度向管底方向沉降。
• Wind-deposited sediment called loess occurs in many places .
  被称为黄土的风成沉积物，在许多地区均有。
• The nominal diameter has little significance in sediment transportation .
  等容粒径在沉沙输移中意义不大。