Ferrite cores are effective in electromagneticnoise suppression and shielding.
电磁圈能有效的屏蔽和抑压电磁的干扰。
2
The piezoelectric transformer has so many merits, for example high set-up, non-electromagneticnoise et al, in comparison with the electromagnetic transformer.
与传统的电磁变压器相比，压电变压器具有高升压、无电磁污染等特点。
3
The normal running of the economical CNC system, which works in an adverse environment, is usually disturbed by the electromagneticnoise in or out of the CNC system.