Specifically, the alloy goes from being non-magnetic to highly magnetized.
具体来说，就是合金从非磁性变成强磁性。
2
The spacer ring is a precision detail made of non-magnetic alloy or polymer.
该间隔环是精确详细的非磁性合金或高分子的。
3
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.