layer

• The mesophyll consists of two layers of palisade parenchyma .
  叶肉是由两层栅栏薄壁组织组成。
• It was a terylene diaphragm coated with a layer of aluminum .
  它利用一个镀有铝层的涤纶膜片。
• The component layers have the geometry of stratigraphic units .
  成分层具有地层单元的几何形态。
• When the flood subsided , it left a layer of mud in the fields .
  洪水过后，地里淤积了一层泥浆。
• He also found a layer of small stones just below the surface .
  他还找到在地表以下有一层小石块。
• A layer of coarse gravel is often placed around the drain tile .
  常常在排水瓦管周围铺一层粗石砾。
• The superficial layers are often frequency selective to transmission .
  表层传播一般都有频率选择性。
• " pare " indicates removing the outer layer or edge of something .
  “pare”指除掉某物的外层或边缘。
• The incoming solar energy is shared by a thicker layer of water .
  入射的太阳能被较厚的水层吸收分散。
• The retina, the inner layer of the globe, consists of two portions .
  视网膜是眼球的内层，包括两部分。