The experiments centered on periods of deep sleep called " up-states" .

实验集中在深度睡眠中的" 上升状态" 时段。

And had a lovely dark red-brown wig on, period costume and so on.

我里面戴了一顶可爱的深红棕色假发，穿古装等等。

You didn't put a period on one sentence.

你没有在一个句子上加句号。

So they fit two, three, four, and so on periods in the duration of the signal.

因此它们适合信号持续时间中的两个、三个、四个等等周期。

With historical IDs, legality isn't an issue, so prop artists can get a lot more authentic on period shows.

有了历史 ID， 合法性就不是问题，所以道具艺术家可以在时代表演中获得更多真实感。

And in a short of period on Sunday, more than nine inches of rain fell on some parts of the eastern state of Maryland.

上周日，美国东部马里兰州部分地区的降雨量在短时间内超过9英寸。

Now, to make our campaign successful, we conducted extensive research, interviewed gynecologists, surveyed people to gauge public opinion on periods and conducted a panel discussion with professionals working in this field.

现在，为了使我们的活动取得成功， 我们进行了广泛的研究， 采访了妇科医生，对人们进行了调查以了解公众对月经的看法， 并与从事该领域工作的专业人士进行了小组讨论。

Alberto isn't the only weather event that's causing trouble for the U.S. And in a short of period on Sunday, more than nine inches of rain fell on some parts of the eastern state of Maryland.

阿尔贝托并不是唯一一个给美国带来麻烦的天气事件，在周日的一段时间里，美国东部马里兰州的部分地区降雨量超过9英寸。