其中40-60岁组的认知水平较青年组高，每周运动次数和每次运动时间也较青年组多。

The subjects in the age-group of 40~60 years obtained higher scores in knowledge and had more exercise.

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实验中四个项目体育课班分别在每周课内外运动次数、每次运动时间和运动强度都基本相同的条件下进行。

The four training groups are similar in training intensity and the same in the duration of each training and the number of the training every week.

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但在过去十年，劳务市场像是一名上了年纪的运动员，每次受伤都会更痛，痊愈也要花更长的时间。

But in the past decade, the Labour market has resembled an ageing athlete. Each new injury is more painful and takes longer to heal.

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