gamma-radiation射线
gamma-radiation counter加马辐射计数器
gamma rays radiation射线辐射
gamma ray radiation射线照射
gamma-radiation absorption加马辐射吸收
counter gamma-radiation加马辐射计数器
gamma atomic radiation detector伽马射线辐射探测器
gamma a radiation射线
terrestrial gamma-radiation地表γ辐射
N（名词） electromagnetic radiation emitted by atomic nuclei; the wavelength is generally in the range 1×10–10 to 2×10–13 metres 伽玛射线