To create a period time reference, click the time reference drop-down menu and select either Last completed period or Current period.

要想创建时间段引用，应该单击Time reference下拉菜单并选择Last completed period或Current period。

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All these changes happened over a period of time.

所有这些变化都是在一段时间内发生的。

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After training for a period of time, the researchers tested the bees.

经过一段时间的训练后，研究人员对这些蜜蜂进行了测试。

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Medical experts say small amounts of carbon monoxide over a long period of time can greatly harm an unborn baby.

VOA: special.2010.02.02

In other words what happens to people's health as they lose weight and then regain it repeatedly over a period time?

换言之,在一段时期内反复增重减重,对人们的健康有什么影响

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It began to infiltrate other disciplines and was in general a high-spirited horse for that certain period of time.

它逐渐渗入到其它学科,总之是那个时代的一匹黑马。

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Averaging 33% over a long period time (versus something short, like a week) would still be a challenge.

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Because we have a holding period time limit, ultimately all recommendations get closed out and become part of this average, so it is properly inclusive.

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Currency devaluation largely avoids dealing with the short-term negative consequences of debt deflation in favor of prolonging the period time that the bad debts remain embedded in the system.

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