The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.

飞机的长度和最大横截面面积之比也会影响音爆的强度。

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These relationships between social and financial performance can be rationalized by multi-factor models for explaining the cross-sectional variation in returns, but not by industry effects.

社会绩效与金融业绩间的这些关系，可以通过解释回报中代表性变量的多因子模型进行合理化，却难以通过产业效应起到同样效果。

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Even though the study was of a cross-sectional nature, this finding suggested that eating a traditional Australian diet might prevent depression.

即使这项研究是比较片面的。 这项研究表明，食用传统食物的澳大利亚人可能会预防抑郁症。

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The piston has a cross-sectional area, a, and the force pressure is force per volume area.

我们以活塞系统为例，来说明膨胀功。

麻省理工公开课 - 热力学与动力学课程节选

It's a more powerful method than something called a cross-sectional study, and I'll come back in a later lecture and talk about these in more detail, but a cross-sectional study means you're taking a snapshot of a population of people at one time.

这种方法比所谓的横断面研究更加有效,我将在以后的课中,再仔细讨论这个问题,但横断面研究是指,你一次记录下一群人的状况

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Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Working with our Federal partners ONAP is taking a cross sectional look at how the implementation process is moving along, especially at the community level.

WHITEHOUSE: Health Care Blog | The White House

The problem is that while there are lots of observational or cross sectional studies on soda and weight gain, there are very few studies which, by their design, can show cause and effect.

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In the filaments, the same cross-sectional pattern of holes is preserved, but on a microscopic scale.

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