diffraction region造句

例句与造句

1. Calculations of path - differences in different cases have been analysed . calculations of propagation factor in interference region , diffraction region and transition region has been studied . method of determination of transition region is introduced
   研究了多路径和衍射的产生机理,分析了不同地面时路径差的计算方法,分析了地面反射系数的计算方法以及衍射区和过渡区方向图传播因子的计算过程,最后阐述了过渡区的判断方法。
2. It's difficult to find diffraction region in a sentence. 用diffraction region造句挺难的