In the thymus, immature t cells display on their surface many thousands of unique receptors, generated by random gene rearrangements.

在胸腺里，未成熟的T细胞表面有成千上万的分别不同的受体，这些受体由随机基因重新安排产生。

youdao

The calculating method given in this paper USES only the second order distribution of the random process, not involving the simultaneous distribution of X (t) and X (t).

本文介绍的一种计算方法只用到随机过程的二阶分布而不涉及(t)与x (t)的联合分布。

youdao

To monitor the random crack of the concrete dam structure with the ordinary instrument isn t effect.

如何监测大坝混凝土结构的随机裂缝，常规仪器显得无能为力。

youdao

"It's like having people over in your living room to watch it. It's much more exciting than watching by yourself, but you don't have random idiots throwing beers around."

VOA: standard.2010.07.01

Right. Another way of saying it is there isn't random assignment of the subjects to the two conditions in the study.

换种方式说,受试者并不是随机安排在,这个研究中的两种情况下。

耶鲁公开课 - 心理学导论课程节选

The problem is that people in the room aren't going to choose at random.

问题是教室里的人并不会随机选择

耶鲁公开课 - 博弈论课程节选

Fraternity President Paul Happel says he and his brothers aren't about random drunken hookups, either.

NPR: From Togas to Yoga: Fraternities Try to Alter Image

"It wasn't a random attack, " Lafreniere said.

CNN: STORY HIGHLIGHTS

That wasn't just some random number that I plucked out of a hat.

WHITEHOUSE: Presidential Press Conference