And he defined the average in terms of not the sum divided by two, but he chose the geometric mean.

鲍林定义平均并不是,简单相加在除以二，他选择几何平均。

麻省理工公开课 - 固态化学导论课程节选

If we add one to the return, then you've got a number that's never negative and we can then use geometric returns.

然后加上1,你永远也得不到一个负数,然后我们对这个值求几何平均

耶鲁公开课 - 金融市场课程节选

Because very often,if we only study the average, we only see the average,we only see the geometric shapes and completely missed the children on the bus.

因为很多时候，如果我们只研究平均水平，那就只会看到平均的结果，只看到几何形状,完全忽略了汽车上的孩子。

哈佛公开课 - 幸福课课程节选

What he says you should do instead is to take the geometric average of gross returns.

他认为应该,对每年的收益求几何平均

耶鲁公开课 - 金融市场课程节选

This is called the geometric average and it's used only for positive numbers.

这种平均叫几何平均,只能用于正的数值

耶鲁公开课 - 金融市场课程节选