- 充值
- 会员
- 职称材料
文献信息
Professional GroupMagnetic RecordingMagnetic TapeAudio AmplifierMicrophone SensitivityFrequency ResponseAcoustical EngineeringCondenser MicrophoneMotion PicturesRecording EquipmentPatent LiteratureRoom AcousticsTape RecordingFrequency ModulationAudio Frequency Power AmplifierFrequency Selective AmplifierCathode Bias ResistorHearing AidsHearing AidNoise Level
研究报告(共:0 篇 )