其实问这种需要死背的东西意思不大，平时学术吹水，或者考较研究生也一样，问点需要理解水平或者有点分析能力的问题才能看出真正水平

【 在 amony 的大作中提到: 】
: tell some advantages of magnetic bearings
: Magnetic bearings have numerous advantages, which include:
: No friction: Magnetic bearings do not have any physical contact between the rotor and the stator, which eliminates friction and wear, resulting in increased longevity and reduced maintenance costs.
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