These elements are shielded that they are free from the influence of magnetic field.

这些元件已加屏蔽，因此不受磁场影响。

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Aim: To study the influence of magnetic field environment on the operation of magnetic field measuring meters.

目的：研究磁场环境对磁场测量仪表正常测量的影响。

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Of course, magnetic particles themselves generate a magnetic field and influence the local area around them.

当然，磁性颗粒本身也能产生磁场并影响它周围的局部区域。

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