例句與造句

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
   研究了多路徑和衍射的產(chǎn)生機理,分析了不同地面時路徑差的計算方法,分析了地面反射系數(shù)的計算方法以及衍射區(qū)和過渡區(qū)方向圖傳播因子的計算過程,最后闡述了過渡區(qū)的判斷方法。
2. It's difficult to find diffraction region in a sentence. 用diffraction region造句挺難的