第1讲 Sensing and automation for specialty crops & cotton（Ⅰ）.mp4 第2讲 Sensing and automation for specialty crops & cotton（Ⅱ）.mp4 第3讲 Sensing and automation for specialty crops & cotton（Ⅲ）.mp4 第4讲 Sensing and automation for specialty crops & cotton（Ⅳ）.mp4
