Comprehensive review has been done on shifted and asymmetric hysteresis loops in amorphous alloys and their applications in pulse transformer, anti-theft system and goods-coding.

较全面地介绍了非晶合金中常见的磁滞回线的平移及变形等不对称现象、微观机理，以及在脉冲变压器、防盗系统和商品识别等领域的应用。

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He says retailers now have much more information because of bar coding and other technologies that allow them to track their goods from suppliers to the checkout line.

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