单词：nuclear_magnetic_resonance 

名词

• 
  [1.n.nuclear_magnetic_resonance] (同义词:[nuclear_magnetic_resonance(核磁共振 )]  [NMR(abbr.nuclear magnetic resonance 核磁共振 )]  [proton_magnetic_resonance(质磁共振, 核磁共振 )]  )
• 
  注释列句：resonance of protons to radiation in a magnetic field
• 上位词 -> [magnetic_resonance]  [resonance( n. 共鸣, 回声, 反响, 中介, 谐振, 共振, 共振子, 极短命的不稳定基本粒子 )]  [physical_phenomenon]  [natural_phenomenon(自然现象 )]  [phenomenon( n. 现象 )]  [process( n. 过程, 作用, 方法, 程序, 步骤, 进行, 推移 vt. 加工, 处理 )]  [physical_entity]  [entity( n. 实体 )]