The average amount of time a patient spends with a physician during an office visit has actually increased somewhat over the last ten years.

在过去十年中，病人与医生在一起的平均时间实际上有所增加。

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USFWS also set an interim goal of restoring prairie chicken populations to an annual average of 67,000 birds over the next 10 years.

美国鱼类及野生动物管理局还设定了一个临时目标，即在未来10年内将草原榛鸡的数量恢复到年均6.7万只的水平。

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With costs falling and kitchen appliances becoming "status" items, owners are throwing away microwaves after an average of eight years.

随着成本的下降，并且厨房电器成为象征“身份”的物品，业主平均在使用了八年之后就把微波炉扔掉了。

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And,the World Health Organization says asthma rates are increasing worldwide by an average of fifty percent every ten years.

VOA: special.2009.07.28

On an average day, nearly everyone fifteen years of age and older took part in a non-work activity like watching television, socializing or exercising.

VOA: special.2011.07.22

In an earlier study, seven thousand people were observed for an average of seven years.

VOA: special.2010.03.09

Remember that women are often out of the workplace for an average of fifteen years taking care of their families.

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NicVAX was evaluated in a recent study in the American Journal of Psychiatry, in a small cohort of 11 smokers who smoked an average of 19 cigarettes per day, smoked for an average of 10 years, thereby meeting criteria for nicotine dependence.

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If left untreated, about 30 percent of women with DCIS will develop invasive breast cancer an average of 10 years from the initial occurrence, the Breast Cancer Network of Strength says on its Web site.

CNN: Martina Navratilova has breast cancer