scientific investigation method
【物理】用原子核辐射的手段调查材料【生活】放射性测量法进行材料研究
in the investigation of materials by means of nuclear radiation
暂无补充释义。
in the investigation of materials by means of nuclear radiation
暂无补充释义。
scientific investigation method
primary investigation
spot investigation
assistant investigation
investigation of materials by the use of nuclear magnetic resonance
general investigation【统计】;reconnaissance survey【统计】
presentence investigation
pilot investigation【统计】