The proper earthing of the shielded layer of cable in HV substation plays an important part in reducing electromagnetic interference to the microcomputer-based secondary facilities.

高压变电所内屏蔽电缆屏蔽层的正确接地，对降低外部电磁场对微机型二次设备的干扰水平，起着重要作用。

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The major interference sources are secondary electric power supply, electric spark and cable, And then some methods of interference suppression are given.

并详细给出二次电源电磁干扰的抑制方案，并简单介绍了发动机电火花和电缆的抗电磁干扰方案。

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Among the factors that affect the spider communities of original secondary forest, people's interference is the strongest one.

在影响原始次生林蜘蛛群落结构的诸因素中，人为干扰的影响作用最大。

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