impinging radiation

例句：

1. 1. The impact of thenew policy on the economy is significant.
   新政策对经济的影响是显著的。
2. 2. Penetrating radiation can cause serious damage to livingorganisms.
   穿透性辐射可以严重损害活体生物。
3. 3. Radiation therapy is often usedto treat cancer patients.
   放射治疗常用于治疗癌症患者。