同义词
1)NEI Noise Equivalent Input,噪音等值输入2)equivalent noise resistance referred to input,输入等效噪音电阻3)ENSI (Equivalent Noise Sideband Input),等效噪音边带输入4)noise equivalent input(NEI),等噪音转入5)equipment input noise sound level,设备输入噪音级6)noise rating number,噪音等级数值
