给出了多重迭代布朗运动关于球面的首中时的分布与末离时的分布。

The distributions of first hitting time and last exit time of a sphere for multiply iterated Brownian motion are presented.

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文摘：给出了多重迭代布朗运动关于球面的首中时的分布与末离时的分布。

Abstract: The distributions of first hitting time and last exit time of a sphere for multiply iterated Brownian motion are presented.

youdao

大多时候，在一天中把一首歌听到了第900遍时我产生一个伟大的想法，决定做一张关于这首歌的海报并用电子邮件发给那个音乐人。

Most of the time I have a great idea while listening to a song for the 900th time in a day, decide to make a poster about it and then email it to the musician.

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And so when the figure of Orpheus appears in this poem, it's the second half of the Orpheus story that Milton is forced to tell.

因此当俄耳甫斯的形象出现在这首诗中时，弥尔顿要讲的是他生平的后一段。

耶鲁公开课 - 弥尔顿课程节选