FM Hum & Noise 剩余调制 ; 盈余调制
hum noise tester 哼声测试器
Hum & noise level 哼声和噪声
Hum & Noise 杂音指数
hum noise measuring instrument 哼声测量器
hum noise measurement 交流声测量
Hum and Noise 哼杂声 ; 哼声和噪声 ; 信噪比 ; 交换噪声
hum noise level 交流声电平
hum noise voltage 交流声电压
Some babies may also be calmed by the sound of a running faucet, a radio set on static, a recording of nature sounds or white noise—even the steady hum of the vacuum cleaner.
有些宝宝听到水龙头流水的声音，无线电静电干扰的声音，自然界各种声音或白噪音的录音，甚至是吸尘器持续的嗡嗡声都会安静下来。
The purpose of a balanced line is to transfer a "signal" from one place to another while rejecting "ground noise", which is not white noise or hiss, but power line related hum and buzz.
平衡传输线，是将信号从一个地方传到另一个地方的同时抑制“接地噪声”。
The design of the amplifier and the use of the high-quality low noise components ensure the signal response is clear and crisp, without the added background hum of some boosters.
设计中的放大器和使用高品质低噪音元件确保信号的反应是明确和清晰的，没有增加的背景嗡嗡声的一些助推器。
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