第一是泛化：料箱颜色、尺寸、新旧程度都不同，能不能用同一个模型稳定完成识别、抓取与搬运。第二是导航：搬起之后从A点到B点怎么走，路径规划、避障，途中被打断后能不能续做。第三是策略理解：比如“从面前100个箱子里搬走50个”，机器人能不能理解数量、以及该选择哪50个箱子，到目的地怎么码放，以及放下后要不要把物体取出等等，每个环节都存在问题。
Among others to comment on the incident were actors including Oscar winner Jamie Foxx and Wendell Pierce, who starred alongside Jordan in The Wire.
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4.4 1019. 链表中的下一个更大节点
To open a SpeedPro, that bet usually falls in the $234,000 to $350,000 total investment range, depending largely on lease and location. In return, owners get a relatively low headcount operation, a technology-forward product line and access to national accounts.