WideNoise是一款iPhone应用，它对噪音分贝值进行抽样测量，并将音量值显示在交互式地图中。
WideNoise is an iPhone application that samples decibel noise levels, displaying them on an interactive map.
五格信号强度的分贝范围很大，因为在信号好的地方精确测量信号并没有在信号差地方测量那么重要。
The decibel range for five bars of reception is so large because precise measurement in such an area is less important than in areas with poor reception.
在您手机漂亮的图形用户界面下，你的手机通过分贝来测量那五个信号格。
Underneath the pretty graphical UI, your cellphone measures those five bars in terms of decibels.
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