characteristic radiation

例句：

1. 1. The scientist detected acharacteristic radiation from the spacecraft.
   科学家从太空船中检测到了特征辐射。
2. 2. Thistype of radiation is characteristic of certain typesof cancers.
   这种辐射是某些癌症类型所特有的。
3. 3. The research team focused onstudying the characteristics of this new radiation source.
   研究小组专注于研究这种新辐射源的特性。