Massachusetts General HospitalStandard MRI machines create a magnetic field that orients the hydrogen within body tissues’ water molecules in one direction.
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如果结果显示强磁场有害人体，工程师可能就得利用相反方向的磁场来抵消船舱内的磁场。
If it proves hazardous, engineers may have to cancel out the field within the living quarters using an opposing electromagnet.
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