双踪示波器 
[电子] dual trace oscilloscope
- 介绍CA8020型双踪示波器的常见故障现象及其产生的原因,给出了关键点测量数据和故障处理方法。
The article introduces some common fault phenomena of the CA8020 type double oscillograph working and the reasons which cause them provides the measurement of the key and the methods of repair. - 介绍一种采用激光测振仪配合函数信号发生器、双踪示波器检测音响系统动态特性的新技术。
It introduces a new technology of audio measurement. A laser vibration measurement meter was used in conjunction with a function signal generator and a multi-channel signal analyzer to measure audio.