橙色和蓝色的线条分别表示地球磁场中南极、北极两种相反磁性的磁力线。
The orange and blue lines depict the opposite north and south polarity of Earth's field lines.
磁力刹车系统比离心刹车系统更难解释，因为他们仅靠一个铝盘(非磁性材料)和一套磁片来相互作用。
Magnetic braking systems are harder to explain than centrifugal systems as they rely on a spool made of aluminum (a non-magnetic metal) reacting to a set of magnets.
分析了磁力研磨加工过程中单个磁性磨粒的受力状况和磨削机理，论述了磁性磨粒的性能要求和制备工艺。
The stress and grinding mechanism of a single magnetic abrasive grain in the magnetic abrasive finishing are analyzed. The required properties and preparation technologies of MAGS are discussed.
应用推荐