permeable GRE

1.a frog's skin is permeable to water.

青蛙的皮肤能透水。

2.permeable membranes; rock that is permeable by water.

渗透膜；被水渗透的岩层

3.Aren't all membranes semi-permeable? That is, the whole point of a membrane is that it lets some things through and others not. Membranes by definition are permselective or semi-permeable barriers.

也他认为所有的膜都半透的，从定义来看选择透过或者半透结构。

4.The amplitude of the head fluctuation decreases with the storativity and leakage of both semi-permeable layers and increases with the leakance of the silt-layer.

分析表明，承压含水层中地下水水头波幅上、下弱透水层贮水率和越流系数的减函数，淤泥层相对透水系数的增函数；