永久磁体 meaning in English

ferroxdure
magnet, permanent
permanent magnet

In this paper , the levitation performance of melt - textured growth ( mtg ) ybacuo bulk effected on ndfeb in the condition of deep cool
本文所研究的是深冷环境下熔融织构高温超导体块材ybacuo在永久磁体ndfeb作用下的悬浮性能。
No , even thought the magnet in speaker is a permanent one and also can form costant magnetic field but cannot be used for health care
不可以作为保健用磁。报废的广播喇叭磁块，虽然也是一种永久磁体，也可以产生恒定的磁场，却不可以作为保健用磁。