在尝试记录头皮以下的大脑电活动时，他补充说，“人们想当然的认为信号的信噪比和这些信号的信息内容是有限的。”
In trying to record the brain's electrical activity off the scalp, he adds, "people assumed that the signal-to-noise ratio and the information content of these signals were limited."
交流技巧：你觉得这次组织者就以下内容交流这次活动是怎样的？
Communications skills: how well do you think the organizers communicated about the event?
交流技巧：你觉得这次组织者就以下内容交流这次活动是怎样的？
Communications skills: how well do you think the organizers communicated about the event?
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