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There was a ceaseless background noise of machines and voices. 不停地传来机器轰鸣声和人们的说话声。
People alter their voices in relationship to background noise. 人们根据环境噪音的大小调节自己的声音。
Reduces low-level background noise in quiet environments. 衰减安静环境下低水平背景噪声。
"Where are you?" I asked him,trying to recognise the background noise. “你在哪儿?”我问他，并竭力辨别背景噪音。
FIX: Background noise during lower volume calls ('hissing bug') now fixed. 低音量通话时的背景燥声(咝咝声)问题得到解决。
There is too much background noise for speech recognition to work well. 背景杂音太多了,语音识别无法正常运行。
SAE 8000 - Not irritating but not involving, either. Too much background noise. 74 SAE 8000既不恼人也不喜人，但总是有太多的背景噪音。
Every analogue wireless system has background noise to a certain extent. 每个模拟无线系统都有一定程度的电子干扰音。
Some people like to work with the radio on for they think that a background noise may help them to concentrate . 有些人喜欢开着收音机工作，因为他们认为背景噪音可以帮助人们集中精力。
Pertaining to continuously present,such as"background illumination","background noise". 用于修饰或说明连续存在（的状态），比如“背景亮度”，“背景噪声（本底噪声）”。
Pertaining to continuously present, such as" background illumination", " background noise" . 用于修饰或说明连续存在（的状态），比如“背景亮度”，“背景噪声（本底噪声）”。
Remove static, hiss, hum, or other constant background noises. 去除静电噪声、嘶嘶声、嗡嗡声或其它持续背景噪声。
Both exhibit very strong robustness under various conditions such as poor illumination and cluttered background noise. 本文的主要成果包括：第一，将树状多视角人脸检测器引入粒子滤波器的概率跟踪框架，提出了一种融合了检测信息的跟踪方法，具有高鲁棒性和实时性，并解决了跟踪算法的自动初始化问题。
To break through that background noise and mind clutter, a marketing message has to be interesting. 要突破这些杂讯以干扰，行销诉求就一定得有趣。
There was a lot of background noise (= that you could hear, but were not listening to). 背景噪音很多。
The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band. 声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
Background Noise Regeneration A technique for eliminating background noise bandwidth requirements. 背景噪声再生一项消除背景噪声带宽需求的技术。
For example, in holographic imagery the speckle pattern corresponds to troublesome background noise. 例如，在全息照相中，斑纹图样相当于讨厌的背景噪声。
Almost incessantly they would hear noise, as in background noise in a busy room with activity of people and machinery. 他们几乎不间断地听到噪音,就象在一间忙碌的充满着人和机械活动的房间里的背景噪音。
The reduction of background noise can significantly increase the detection limit of the instrument. 背景噪音的减少可明显提高仪器的检测限。