diffusion radiation

• 扩散放射

diffusion radiation的用法和样例：

例句

1. Some cancers are treated by radiation therapy.
   有些癌症可用放射疗法治疗。
2. And that's without radiation and chemotherapy.
   其中没有任何的放射和化学治疗。
3. Thus the absorption of a system is the fraction of the incident radiation which is absorbed by the system.
   因而一个系统的吸收率就是被系统吸收的入射辐射的份额。