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关注：1
2013-05-23 12:21
求翻译：The receiver hum and noise level is defined as the ratio, in decibels, of the audiofrequency power of the hum and noise resulting from the spurious effects of the power supply system or from other causes, to the audiofrequency power produced by high-frequency signal of average level, modulated by the nor是什么意思？ 待解决
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- 离问题结束还有
The receiver hum and noise level is defined as the ratio, in decibels, of the audiofrequency power of the hum and noise resulting from the spurious effects of the power supply system or from other causes, to the audiofrequency power produced by high-frequency signal of average level, modulated by the nor
问题补充： |
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2013-05-23 12:21:38
接收机嗡嗡声和噪声电平被定义为比率，以分贝为单位的audiofrequency产生的电源系统，或由其他原因造成的寄生效应的嗡嗡声和噪音功率，由高频信号产生的功率audiofrequency平均水平，由正常测试调制调制和施加到接收器输入。
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2013-05-23 12:23:18
正在翻译，请等待...
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2013-05-23 12:24:58
接收器嗡嗡声和噪声级被定义作为比率，在分贝耳，嗡嗡声和噪声的音频力量起因于电源系统的假作用或从其他起因，到音频力量导致由平均水平高频率信号，调整由正常测试模块化和被申请于接收器输入。
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2013-05-23 12:26:38
接收机的嗡嗡声和噪声级的定义的比率，以分贝，音频功率的嗡嗡声和噪音造成从电力供应系统的杂散影响或其他原因，音频电力生产的高频信号的平均水平、 调制的正常测试调制和应用到输入的接收器。
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2013-05-23 12:28:18
正在翻译，请等待...
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