Extraction of water depends on two properties of the aquifer: porosity and permeability.
水的开采取决于含水层的两个性质：孔隙度和渗透性。
2
Three-dimensional fluorescence spectrum and ultraviolet absorption spectrum of Bletilla striata extraction drawn by boiling water were reported.
报道了白芨沸水浸取液的三维荧光光谱和紫外吸收光谱。
3
The first is the Murray-Darling basin Authority, a new body with power to set limits on waterextraction across the entire river system, in a bid to end the four basin states' bickering.