Changing of material resistance with applied magnetic field intensity is called Giant magnetoresistance ( GMR ) .

磁电阻效应 是指材料的电阻随外加磁场变化而变化的现象.

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The magnetic field intensity function of submarine is chosen as target signal to magnetic fuze.

在此基础上,分析了典型的目标磁场信号,确定了深弹磁引信的判决准则.

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