The X-ray diffraction (XRD), excitation, emission and phonon sideband spectra of the upper and lower parts of crystals were measured.
测定了晶体下部与上部的X射线衍射图（XRD）、激发光谱、荧光光谱以及声子边带谱。
2
The southern warm and moist stream at boundary layer is obstructed by Dabie Mountain and the obstruction enforces the rain band at the upper part of the windward side.