1. The shielding materials had a limited scope of application. 2. The continuity of the permeability affected the shielding effect. 3. The shielding effect was related to the composition of the shielding body. 4. It was difficult for materials of good magnetic permeability to become membrane or net materials. The ferromagnetic fabric can be used as shield material in minesweeper magnetic-protective clothing, but many problems remain in making magnetic-preventing clothing with the material.
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