chroma电子负载的初始化（模式的选择，电流的设定，电流电压量程的选择，以及电流/电阻/功率的设定，及Von）和电压电流，杂讯，时讯，等等，的读取，的子VI-chroma electronic load initialization (mode of the current, voltage and current range of options, and current/resistance/power settings, and Von) and the voltage and curr