Is the working principle of annulus of filter wave magnetism how?

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The working frequency of computer is exceedingly tall, when it works outward also radiate is high frequency microwave, the scientist passes a test, the microwave that use magnetism annulus can make radiation goes out is counteracted major. Annulus of filter wave magnetism, it rises just about use magnetism annulus oppose photograph action, the wave crest that the electric current in making pass its in-house coil is made electric current medium by its inhibition is reduced further, electric current arrives since " cut a peak " action. CNC Milling CNC Machining