| 释义 |
示波器shìbōqì用来测验交流电或脉动电流波的形状的仪器,由电子管放大器、扫描振荡器、阴极射线管等组成。除观测电流的波形外,还可以测定频率、电压强度等。{oscillograph; oscilloscope; equipment used to test the shape of an alternating current or pulsating current wave, composed of a valve amplifier, a scanning generator and a cathode-ray tube, which, besides displaying the wave patterns of an electric current, can also be used to determine frequency, voltage intensity, etc.} |