The selected square wave parameters were: frequency 40 Hz, amplitude 80mV and scan increment 5mV. After measurements, the electrode potential was held at +0.3V for 30 s to clean its surface electrochemically. 频率:40赫兹 宽度:80 mV,增加幅度:5 mV, 清洗:0.3 V,30 S 我这个仪器的wideth 和height不知道怎样和文献上的参数对应