MATLAB程序是数据采集卡的采集程序。addlistener(waveformAiCtrl, 'DataReady', @waveformAiCtrl_DataReady); 求解答

addlistener(waveformAiCtrl, 'DataReady', @waveformAiCtrl_DataReady);
addlistener(waveformAiCtrl, 'Overrun', @waveformAiCtrl_Overrun);
请问这两句代码如何解释啊 搜不到类似代码