与金属管相比，凯佳产品不需进一步隔音来降低相对高速水流所产生的噪音分贝数。
Compared with metal pipe clean health products need further sound insulation is it reduce high-speed noise decibel that rivers produce count relatively to come.
并利用单片机对耳机本身频率响应进行修正，使得显示的分贝数即为实际的分贝数。
Specially, the displaying number of decibel is equal to actual number of decibel, because frequency response of earphone is corrected by software of microchip.
“有一次我真的带耳塞了，”他说到，“但联盟已经采取了有关措施去控制分贝数，我希望那能管用。”
"I did wear earplugs there one time," he said, "but the league has done something about the decibel level and I hope they hold true to that."
最后将所获得的环境噪声分贝数与所述音量调节常量之和作为当前手机音量，并用于设置手机的铃声音量。
First, it presets the volume adjustment constant, then tests the environment noise volume by cell phone, and gets the environment noise db.
最后将所获得的环境噪声分贝数与所述音量调节常量之和作为当前手机音量，并用于设置手机的铃声音量。
First, it presets the volume adjustment constant, then tests the environment noise volume by cell phone, and gets the environment noise db.
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