Results Actual use of the method for estimating sample size and the relationship between effect factors and sample size were illustrated by a example of case control family study of liver cancer.

结果用实例说明了病例对照家系设计中样本含量估计方法的应用与影响因素和样本含量的关系。

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Although its visual effect is so pronounced, dust is only a minor constituent of the material, extremely low in density, that lies between the stars.

尽管它的视觉效果如此显著，但尘埃只是位于恒星之间的物质的一个次要组成部分，其密度极低。

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Strong emotional bonds between mothers and infants increase children's willingness to explore the world—an effect that has been observed across the animal kingdom, in people, monkeys and even spiders.

母亲和婴儿之间强烈的情感纽带增强了孩子探索世界的意愿——这一效应在动物领域、人类、猴子甚至蜘蛛身上都有被观察到。

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Doctor Brooks says it is important to educate people about the link between the alcohol flushing effect and esophageal cancer.

VOA: special.2009.06.23

So, one difference between photoelectron spectroscopy and, for example, the photoelectric effect is that in this case, we're not just looking at one energy level, which is what we were looking at from the surface of a metal, now we're talking about this gaseous atom.

光电子能谱与光电效应的不同点在于，以这种情况为例，我们不只关心一个能级，就像原来在金属表面那样，现在我们研究的是气体原子，所以，我们可以从原子中。

麻省理工公开课 - 化学原理课程节选

He says it is important to educate people about the link between the alcohol flushing effect and esophageal cancer.

VOA: special.2009.05.13

To come back to my original point, the jump between Mass Effect 2 and 3 in gameplay mechanics is that of expansion pack quality, and not a real sequel.

FORBES: New Video Shows Mass Effect 3 Day-One DLC Already On Disc

Bus service will be in effect between Waterbury and Bridgeport, with no train connections.

WSJ: How the Conn. train crash will affect commuters

There be or may not be some cause and effect between the legislation and investor attitudes.

FORBES: Obama Needs the 'Investor Next Door'