The lectureship is tenable for a period of three years.

讲师这一职务任期三年。

《牛津词典》

You can pay back the loan over a period of three years.

你可以在三年内分期归还贷款。

《牛津词典》

She claimed that he had been stalking her over a period of three years.

她声称，三年来他一直在盯她的梢。

《牛津词典》

A recent study showed that RTS,S reduced clinical cases of malaria by fifty-three percent over an eight month follow-up period.

VOA: special.2010.04.20

The study examined employment records for eight cities in Minnesota for a three-year period through two thousand six.

VOA: special.2009.05.27

Others who want to graduate in three years must pay for the same education as four-year students, but in a shorter period of time.

VOA: special.2009.07.23

Walt used a three-period simple moving average of a five-period RSI to help identify cycle highs and lows.

FORBES: Avoiding Those Costly Impulsive Trades

The first three parameters we look to are rising revenues over the most recent three-year period, rising earnings over the recent three-year period and a relatively low or controlled long-term debt to equity.

FORBES: Rising Revenues, Rising Earnings And Low Debt? Sounds Like Time To Buy Intel And P&G

Arimidex failed another test as well: Data show that the two drugs given together worked no better than tamoxifen alone over a three-year period--even though Arimidex bested tamoxifen over the same time frame.

FORBES: Searching For An Heir To Tamoxifen