Finally, several Suggestions to improve the power frequency electric field beneath transmission lines are put forward.

最后，提出改善线路下方工频电场的措施。

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The frequency electric field under the paralleled multi - transmission lines was calculated by Equivalent Charge Method.

利用等效电荷法计算多线路并列架设空间工频电场。

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According to comparative tests, treating cement slurry with high frequency electric field can enhance the strength of cement bond by 11 7%.

通过对比试验得知，高频电场处理水泥浆可使水泥石强度提高11.7%。

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Although they have not been found to cause any harm, the cables on conventional pylons, which transmit a three-phase alternating current, generate a strong electric field and a continuous buzz of low-frequency radio waves.

ECONOMIST: Monitor