噪音声级 noise level
声音噪声 acoustic noise ; sound
录音噪声 [广播] recording noise
白噪音之声 The Sound of white noise
最高许可噪音声级 maximum allowable noise level
音频噪声 audio-frequency noise ; dB ; audio noise
无噪声自动音量控制 quiet automatic volume control ; QAVC QuietAutomaticVolumeControl
串音噪声 crosstalk noise
最高允许噪音声级 maximum allowable noise level
声音噪声要求 acoustic noise specification
大家一直都说这种噪音是个迷,直到几年前,一些人说这些噪声是一些偶然发生的小地震造成的。
Many claimed the noises were just a legend until a few years ago someone concluded that the noises are occassional small earthquakes.
并控制三刺鱼在跟快艇噪音程度相当的白噪声中,或者完全安静的环境之下,观察它们捕食水蚤的情况。
And watched three-spined stickleback fish hunt water fleas, to the accompaniment of either white noise calibrated to match the noise level of speedboats or a silent track as a control.
把电话线拔掉,使用一个能产生白噪声的机器,或是打开电风扇、空调,以阻断背景噪音。
Unplug the phone and use a white-noise machine, or a fan or an air conditioner, to block out background noise.
see people with them, and what happens here is it's supposed to be those noise cancellation headphones. All they do is they take in the ambient noise that's around it, and there's actually battery in the headphones, that then produces waves that are going to destructively interfere with that ambient noise.
我从来没有用过这个,但你会看到有人带他们,它们可以作为消噪音耳机,它们所做的就是采入,周围的随机噪声,耳机里面是,有电池的,然后它能产生和,随机噪声相干相消的声波。
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