Instrument+for+Nondestructive+Testing+
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This paper introduces a new type nondestructive testing instrument for material quality of steel and iron which is developed according to the principle of initial increment permeability.
介绍了一种基于初始幅值磁导率法的新型钢铁材质无损检测仪器，论述了它的检测原理和系统的软硬件设计要点。
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