Literary creation of this period has also revealed group variation, which is incarnated in the choice and judgment of the writer's creative subjects and the artistic style.

这时期的文学创作也呈现出强烈的群体变异特征，它既体现在作家创作题材的选择和评判上，也体现在艺术审美风格方面。

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Each group carried only a subset of the genetic variation from its ancestral population.

每个族群只携带有他们祖先群体中遗传变异的一部分。

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There was no variation observed in antidepressant use by income group.

没有观察到各收入阶层在抗抑郁药使用上的变化。

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It too sounds a fine idea, but even top private schools, with lots of money and good teachers, find it tricky to timetable lots of variation within one age-group's lessons.

ECONOMIST: Exams

But, by coincidence, he then discovered a group of scientists working on a mouse called Peromyscus that possesses the same less active variation of the MC1R gene as mammoths did.

ECONOMIST: The genetics of mammoth coat colour

There is tremendous variation in the prevalence and availability of fake drugs within and across countries, according to Kubic, whose group tracks counterfeiting incidents.

CNN: Fighting the growing menace of fake drugs