A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.

阿电容式接近开关工程高的振荡电路，产生的积极传感器表面磁场的电磁通过一个电容手段的频率。

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Compared it with conventional billet, billet cast with high frequency electromagnetic field, on which depth of surface oscillation mark was decreased remarkably, had a smooth surface.

施加高频电磁场的铸坯与传统连铸坯相比，表面振动痕深度明显减小，且表面光滑。

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The effect of high frequency electromagnetic field imposed on outside of a cold crucible mold on the quality of cast metal in hot experiment was studied.

考察了冷坩埚式结晶器外施加高频电磁场对连铸坯表面质量的影响。

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