“表面的一些镜头有一个近乎完美的椭圆形，”施密特博士说。

The surface of some of the lenses have an almost perfect elliptical shape, "Dr Schmidt said."

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“一个团队，奥拉夫·施密特博士告诉BBC新闻在线：”我很兴奋，当然。

One of the team, Dr Olaf Schmidt, told BBC News Online: I was excited, of course.

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不仅大脑，许多器官在睡眠时的功能似乎都不一样，施密特博士指出。比如肠道似乎就会产生许多新的细胞。

Many organs, not just the brain, seem to function differently during sleep, Dr. Schmidt pointed out. The gut appears to make many new cells, for example.

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