The scanner used a super-cooled magnet and reflections of radio waves to determine how much oxygenated blood was in a given part of the subject's brain.
该扫描仪采用了超冷却磁体和反射无线电波，检测有多少氧合血流分布到受检人员的大脑部分。
3
AMS is a large spectrometer firstly to be sent into the space for scientific experiment. For AMS-02, the most crucial part of it is the super-conducting magnet.