It is sometimes difficult to draw the line separating ferromagnetic from paramagnetic substances. 严格区别铁磁性与顺磁性物质有时是很困难的。
It is the critical point of the phase transition of ferromagtic or ferrimagnetic materials into paramagnetic materials. 是指磁性材料中自发磁化强度降到零时的温度，是铁磁性或亚铁磁性物质转变成顺磁性物质的临界点。
It is the critical point of the phase transition of ferromagtic or ferrimagnetic materials into paramagnetic materials. 是指磁性材料中自发磁化强度降到零时的温度，是铁磁性或亚铁磁性物质转变成顺磁性物质的临界点。
