北京
At the Digital Countryside Exhibition Area of the World Internet Conference Expo, a "big box" drew visitors' attention. Inside, robotic arms worked with precision: the left arm picked and topped seedlings, the right trimmed roots, and the center completed automatic grafting. Staff said that the system grafts up to 700 seedlings per hour—twice as fast as manual methods—with a success rate over 98%. The grafted seedlings are uniform and high-quality, addressing labor shortages and high costs effectively.(By Liangyan, Liu Jiajia, Wang Junyang/China Youth Daily）
来源：中国青年报客户端
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