Although the increment of the residual magnetism on the object after every cycle of magnetization-demagnetization process is very small, with the increase of the cycle index the object must be finally magnetized intensely and spontaneously.
Although the increment of the residual magnetism on the object after every cycle of magnetization-demagnetization process is very small, with the increase of the cycle index the object must be finally magnetized intensely and spontaneously.
虽然每次磁化一退磁过程之后物体上的剩磁增量非常微小，但随着循环次数的增加该物体最终必然被强烈地自发磁化。