positron radiator

例句：

1. 1.The positron radiator is an essential tool for detecting radiation in the environment.
   正电子辐射器是探测环境中辐射的必备工具。
2. 2. The positron radiator was used to study the behavior of radioactive materials.
   正电子辐射器被用来研究放射性物质的行为。
3. 3.The positron radiator is a powerful tool for medical imaging, allowing doctors to see inside the body.
   正电子辐射器是医学成像的强大工具，使医生能够看到体内的情况。