| 1. | The designed testing instrument has the functions of many instruments , such as frequency selective level meter , oscillator , frequency meter , millisecond meter and so on . all measuring and data processing are accomplished by the application software that is installed in a computer 在功能上,装置集电平振荡器、高频频率计和选频电平表等多台仪器的功能于一体,且装置的所有试验操作、测量及数据处理由安装于通用计算机上的应用软件完成。 |