It is a difficult point to teach the students solving the wave equation on finite interval by the reflection law of the wave.
用波的反射原理求解有限区间上的波动方程是数学物理方程中的基本内容，也是教学中的难点内容。
2
Deconvolution has been usually adopted in the process of seismic data processing in order to improve resolution in reflection event of objective interval.
在地震资料处理过程中，为了提高目的层段反射同相轴的分辨率，通常采用反褶积的方法。
3
Reflection interface and interval velocity are quite important stratigraphic parameters in seismic exploration.