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The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.，更多细节参见同城约会
春晚舞台上的人形机器人完成高难度动作，商场里机器人与孩子互动，求婚现场与企业年会把机器人当作“科技惊喜”道具。