"An average person, "Roach explains, "will, during the peak flatulence period, pass anywhere from one to almost three cups of flatus per hour."

“一个普通人，”罗奇解释道，“在肠胃最胀气的时候，每个小时会放出1到3杯的的屁。

youdao

Mean time to failure is the average continuously operational period — i.e. the average period between the end of one failure and the beginning of the next.

平均失效到达时间是连续运行期间的平均值——也就是说，在结束一个失效和开始另外一个之间的平均周期。

youdao

Over the same period, the average working mother reduced her weekly housework load by two hours.

而在这一时期内，普通职业妈妈每周料理家务的时间则减少了两小时。

youdao

During this period, there was an average of sixty-three attacks worldwide each year.

VOA: special.2009.06.16

I computed the average return on stocks over that time period and I computed the average return on bonds over that time period.

我计算了那个时间段的股票平均收益率,和债券平均收益率。

耶鲁公开课 - 金融市场课程节选

And even if over a period of time the average amount of their regard is lower because they started lower and then got higher than someone who was always high, it's the ones who were first lower who then went up that capture our attention.

即使在一段时间内,他们对我们的评价依然不高,但是因为起点较低,只要是在日益改善，总比一开始就对我们评价好的人更有吸引力，正是开始低而慢慢增加的人,会引起我们的注意。

耶鲁公开课 - 心理学导论课程节选

The MACD is calculated by simply subtracting a 26-period exponential moving average (EMA) of the closing prices from a 12-period EMA. The signal line is a nine-period exponential moving average of the MACD.

FORBES: Demystifying the MACD

The MACD calculates the difference between two moving averages (typically, the 12- and 26-period), and then finds a moving average of that difference (typically, a 9-period moving average).

FORBES: The Indicator That Says Stocks Are Going Higher

Fidelity Puritan has an average holding period of about eight months, according to Morningstar, and Fidelity Dividend Growth has an average holding period of a year and a half.

WSJ: The Facebook Flip: Funds Exit Early