This was a national population-based study and we found that among Americans with diabetes who were age 40 and older, that 28.5 percent - or 4.2 million people - have diabetic retinopathy.

这是一项以全国人口为基础的研究。我们发现，在40岁以上患糖尿病的美国人当中，有28.5%(即四百二十万人)同时患有糖尿病性视网膜病变。

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The academics conclude: "This population-based study suggests gender-dependent associations between cultural participation and physical health, anxiety, depression and satisfaction with life."

学者们概括：“基于人数上的研究表明，男性和女性对参加文化活动和健康、急躁、无精打采的联系是有区别的。”

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Roberts has spent much of his working life collating the data on which the study was based.

罗伯茨花费很多工作时间来整理检点数据，以此作为该研究的基础。

《柯林斯英汉双解大词典》

The revolution is based on the work of scientists who study the movement of the continents a process called plate tectonics.

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The scientists based their study on earlier evidence that turmeric has strong antioxidant and anti-inflammatory qualities.

VOA: special.2009.05.19

Nicholas Christakis and James Fowler based the study on the emotional health of almost 5,000 people.

VOA: special.2009.01.21

Onboard course work will be augmented with shore-based study and field activities at each port of call.

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Findings from the U.K.-based study reflect similar use of family history among doctors in the U.S., several U.S.-based physicians say.

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To do a psychological based study to get to the heart of the matter would not likely help us understand, either.

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