弱电系统的接地以工作接地为主，目的是为了防止电磁干扰，保证弱电系统中设备稳定、可靠工作。
The ground connection of the light current system, mainly working grounding, aims to prevent electromagnetic noise and assures the equipment to work steadily and reliably.
在高速电路设计中应充分考虑电磁兼容方面的问题，合理地使用去耦电容在电磁兼容防止电磁干扰中具有重要作用。
EMC problems should be considered in the design of high-speed circuits and the reasonable application of decoupling capacitor plays a very important role in avoiding EMI.
本产品既能防线路外电磁干扰，也能防止线与线之间的干扰。
The product can prevent line external electromagnetic interference, but also can prevent the interference between lines.
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