age cohorts

基本解释

In some age cohorts, there are 20 million more males than females.
因爲重男輕女現象的存在，很多女嬰沒有出生就被流産了。
A series of ecologic analyses of pertussis notifications during epidemic periods in relevant age cohorts were conducted.
文章對相關年齡組流行堦段的百日咳呈報案例進行了系列生態學分析。
There was an even distribution of fractures across the age cohorts, and most fractures were sustained from a high-energy transfer mechanism.
這裡有同齡病人骨折的評價分佈情況，最常見的致傷原因是高能量傳遞機制。

This is achieved by looking at tests of different age cohorts.
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An explanation for this divergence might lie in the fact that while younger borrowers are more commonly underwater, they are underwater by less than those in older age cohorts.
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Which brings us to this point about age cohorts.
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