Now, computer scientists from the Machine Perception Laboratory at the University of California, San Diego have used machine learning to enable the robot to learn expressions on its own.

而现在，圣地亚哥加利弗尼亚大学机器感知实验室的计算机科学家们已经可以通过机器人的机器学习能力使它自己教会自己做出面部表情。

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As this discussion makes clear, machine learning has a formidable learning curve, for which years of classroom and laboratory work at the university level may prove essential.

由于这种讨论表明，机器学习有着强大的学习曲线，因为在大学中几年的教室和实验室工作，可能被证明是必不可少的。

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