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对于大型超导被动磁体的精密医疗设备核磁共振成像仪（ＭＲ），其磁体室屏蔽条件要求甚高，为了达到屏蔽的技术要求，庞大、复杂、繁重的屏蔽体结构给工程施工增加了不少难度，本文就ＭＲ屏蔽工程中出现的问题进行剖析。
For large-scale superconducting passive magnets of precision medical equipment nuclear magnetic resonance imaging (MR), its magnetic chamber shielding requirements are very high, in order to meet the technical requirements of shielding, large, complex, and heavy shield structure to the construction of a lot of Difficulties, this article analyzes the problems that arise in MR screening projects.