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。

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Light scattering matrix of random oriented two spheres system is studied extensively by using the t matrix method and the principle of superposition.

本文用T矩阵与场方程叠加相结合的方法，系统研究任意方位双球粒子体系散射矩阵各元素随两球球心的间距变化规律。

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There is a sharp peak in the power spectral density of da- ta. It is a narrow band random vibration which depends on t…

文中还讨论了车轮振动加速度功率谱密度峰值的性质，由于履带节的作用使车轮产生与车速有关的窄带随机振动。

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"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