2014年，依托NLP技术，儿童机器人赛道单月出货量达到数百万台，一片繁荣。但到了2017年，阿里、小米、百度都纷纷下场做智能音箱，并通过低价策略迅速抢占市场，那时几乎人手一个天猫精灵，或者是小度、小爱同学。儿童机器人几乎全军覆没。
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"It is the only piece of science I've ever done that's really emotionally got me," he says.，推荐阅读51吃瓜获取更多信息
New methods such as mini 3D ‘organoids’ are slowly phasing out animal testing in some areas of research. Plus, how to spot a fraudulent paper and the surprising science of squeaky sneakers.
"It's the same sealing mechanism," he says.