用于校准剂量仪和剂量率仪及确定其能量响应的X和γ参考辐射 第2部分：辐射防护用的能量范围为8 keV~1.3 MeV 和 4 MeV~9 MeV的剂量测定

X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy—Part 2: Dosimetry for radiation protection over the energy ranges from 8 keV to 1.3 MeV and 4 MeV to 9 MeV