类地行星的密度的平均值大约是水的密度的五倍，而类木行星的密度平均值只有水的密度的1.5倍。

The densities of the terrestrial planets average about 5 times the density of water, whereas the Jovian planets have densities that average only 1.5 times the density of water.

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平均固定成本是三个相关成本平均值之一。

Average fixed cost is one of three related cost averages.

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计算1项指标的平均值与8项指标的平均值之比即可。

This was done by calculating the ratio of the average obtained with the single-item measure to that obtained with the eight-item measure.

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We would not expect that the mean should be over 160, or in one case, 150, after only 100 days trading, right?

我们本来觉得平均值应该大于160。,或者在一个例子中是150，这是100天之后的？

麻省理工公开课 - 计算机科学及编程导论课程节选

Because, what do you think the mean should be, if I simulate various things that the bias of 0?

因为，如果我用0作为偏向值，你觉得我会得到多少的平均值呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

One is that 2,000 calories is the average for the typical person, but, of course, people have greatly differing calorie needs.

一是2000卡路里是常人所需的平均值,当然,人们需要的热量是大大不同的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选