词汇	threshold signal
释义	threshold signal 阈值信号
随便看	visible light photoresitor visible light photoresponse visible light radiation visible light range visible light resin solidifying apparatus visible light response Visible-light response visible lights Visible light scattering characteristic visible lights diffusion visible light sensor Visible light spectrophotometry visible-light spectrophotometry visible light spectrum Visible Light Stealth visible light stealth technology visible light therapy visible light transducer visible light transmission visible light TV tracking visible line visible-line visible liver visible low spot of track visible luminescence spectrum