It also USES "adaptive filtering" technology, where electronic filters lock onto sound waves and remove them, even if the wave's amplitude and frequency change as the drill is being used.
该设备还采用了“适应滤波技术”。即便声波的振幅和频率在牙钻使用之时发生了变化，电子滤波器仍能锁定声波并将其转移。
Total hydraulic pressure, rear wheel drive, frequency and radiation conversion, articulated direction change, two stepless speed changes, advanced technology;
工况施工。全液压、后驱动、变频变辐；铰接转向、二档无级变速，技术先进；
MW variable speed constant frequency wind turbine from shenyang university of technology is a variable pitch wind turbine, it can change pitch to adjust power above rated wind speed.
由沈阳工业大学研制的MW级变速恒频风电机组属于变桨距型机组，它在额定风速以上进行变桨距调功控制。
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