Compared with 2001, the distribution of cases shifted to older age groups (especially the 10-14 year group).

与2001年相比，病例的分布转向年龄更大的年龄组(尤其10 - 14岁年龄组)。

youdao

Ranking schools is always controversial, and this year a group of 38 superintendents from five states wrote to ask that their schools be excluded from the calculation.

学校排名一直存在争议，今年来自五个州的38名主管写信要求将他们的学校排除在排名范围之外。

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youdao

This year,most performances took place in the center of Washington in a group of old buildings that used to be businesses.

VOA: special.2009.08.05

Looking at this particular group, he estimated survivorship bias to be 4.4% per year and backfill bias to be 7.3% per year.

分析这个特定的样本,他估算其生存偏差每年达到4.4%,回填偏差每年达到7.3%

耶鲁公开课 - 金融市场课程节选

So, you may or may not know this about your TAs, but this is a pretty competitive group of TAs we have this year, and they like to brag about how smart their recitation is, how good questions they're getting in the recitation section.

不知道你们是否知道这与你们的助教有关，但是今年我们的助教们,都非常有才，而且他们都想向别人炫耀一下，自己的讨论课做得有多漂亮，回答的问题有多好。

麻省理工公开课 - 化学原理课程节选

For instance, in England in the early 1980s only about 10% of the year group achieved three A-levels.

BBC: Massachusetts: Pioneering Gove's knowledge curriculum

The education ministry in Paris dictates how many hours a week are devoted to each subject for each year group.

ECONOMIST: French education

But because it involves tracking each year group of pupils, it has taken five years to produce the first results.

BBC: NEWS | UK | Education | How 'value added' works