Below the environment of stagger of electric wave freely such as mobile phone, TV or radio, noise of interference of EUT place radiant is flooded in these signal, cannot undertake metrical at all.

• 在手机、电视或无线电台等电波长短纷歧的情况 下，EUT所辐射的干扰噪声沉没在这些信号中，根柢无法进行测量。