MRI is based on a physics phenomenon called nuclear magnetic resonance (NMR), which was discovered in the 1930s by Felix Bloch (working at Stanford University) and Edward Purcell (from Harvard University).
磁共振成像依据的是一种叫核磁共振 (NMR) 的物理现象，它是费利克斯·布洛赫（在斯坦福大学工作）和爱德华·珀塞耳（来自哈佛大学）于 20 世纪 30 年代发现的。