The highest infection rate of Ascaris and Trichuris was in the age group of 10-14 years, and a decrease tendency was revealed in those above 60 years old.

按年龄分析表明蛔虫和鞭虫感染率均以10—14岁年龄组为最高，60岁以上年龄组呈下降趋势。

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The leading causes of death in this age group are also changing.

这个年龄段的主要死亡原因也在变化。

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Since you're reaching the majority of the teachers in your target age group, you're probably spending your money well, which brings us to the third M—Money.

由于你正接近你目标年龄群中的大多数老师，你很可能把钱花得很值，这就引出了第三个 M——钱。

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Dr.Charles Rabkin and other scientists from the National Cancer Institute looked at gastric cancer rates in the last three decades among a large group of Americans ranging in age from 25 to 84.

VOA: standard.2010.05.12

It has been designed for young American boys in the age group of 6 to 18.

FORBES: Top Children Magazines In 2012

The Hollister brand offers a broad selection of apparels, accessories and personal care products, primarily targeting consumers in the age group of 14-18 years with the apparels carrying a laid back character associated with southern California.

FORBES: ANF Rides Global Growth With Hollister But Stock $4 Too Expensive

The New Deal was launched at the end of a sharp decline in the size of the target age-group of 18-24-year-olds.

ECONOMIST: The New Deal