词汇	rpra
释义	rpra Railroad Public Relations Association 铁路公共关系协会
随便看	narrow-band noise narrow-band noise factor narrow band noise generator narrow-band noise measurement narrowband noises narrow band noise stimulus generator narrow band of channel narrow-band optical bandpass filter narrowband optical-fiber filter narrow band-pass narrow bandpass characteristics narrow bandpass filter narrow band pass filter narrow band-pass filter narrow-band pass filter narrow-band-pass filter narrow bandpass filters narrow-band pass monochromator narrow band path narrow-band path narrowband pcs narrowband PCS narrowband personal communications service narrow band phase modulation narrow-band phase-shift keying