| 21. | direct [indirect] radiation |
| 直接[间接]放热
|
| 22. | electromagnetic radiation |
| 电磁辐射
|
| 23. | nuclear radiation |
| （原子）核辐射
|
| 24. | solar [terrestrial] radiation |
| 太阳[地球]放射热
|
| 25. | thermal radiation |
| 热辐射
|
| 26. | atomic [nuclear, radiation , radiological] medicine |
| 医疗辐射学
|
| 27. | microwave [ radiation ] leakage |
| 微波[辐射]泄露
|
| 28. | die of radiation sickness |
| 患辐射病而死
|