Methods 1736 cases of new-registered smear-positive were studied, with a cohort analysis.

方法对1736例新发涂阳肺结核病例的资料进行队列分析。

youdao

One explanation is that a cohort of greybeards have fond memories of life with a less powerful EU.

一种解释是大群的老年人对欧盟权力还没那么大的日子留有美好的回忆。

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And if a cohort effect were responsible, the U-bend would not show up consistently in 40 years' worth of data.

如果人群差异因素成立的话，连续40年的数据就不可能始终呈现马蹄形趋势。

youdao

Wages are falling partly because a cohort of highly paid baby-boomers is retiring, replaced by younger workers.

ECONOMIST: Japan's markets

Thinkful then customizes the curriculum to their needs and places them with a cohort in a similar track.

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So a small cohort of young people is easier to absorb in the labour market than a large cohort.

ECONOMIST: The New Deal