李丽丽老师加餐视频《数字化农业之芯片时代》视频回放 2021.11.06: https://live-dv.weimiaocaishang.com/?d=1636642183170&trace=6752f96dde5472548dfd5dd8e19a9c38&token=f9fdd1153d262dbf#/live-classroom-trad/100638?channel=1005