In the paper, we introduce the studies on some abnormal points in static magnetic field,find out the causes and mean while, give the methods of exclusion, thus the adjustment of MRI can be made perfectly.%通过实验方法研究静磁场中个别点磁场强度的异常情况。找到其产生的原因,并提出有效方法加以解决,使均场调整及整个磁共振调试工作得以完成。
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