Gamma-ray energy spectrum
Hard X-ray energy spectrum
Leakage gamma-ray energy spectrum
soft x-ray energy spectrum
X _ ray energy spectrum
γ-ray energy spectrum analysis
X-ray energy spectrum measurement
age of cosmic ray irradiation
cosmic ray
宇宙线
宇宙射线
银河宇宙线
宇宙<射>线
地面宇宙线
宇宙线[天]
宇宙﹝射﹞线
宇宙光
cosmic ray decay electron
cosmic ray exposure age