You can test each activity in isolation.

你可以单独测试每个活动。

youdao

How long each activity should take to complete.

每一种活动需要多长时间来完成。

youdao

Determine how each activity will be performed.

确定每个活动是如何执行的。

youdao

Ball says adults need at lease 150 minutes of moderate aerobic activity each week.

VOA: standard.2010.02.26

They are just encouraging each other and I stop doing before work in morning, the paper pencil kind of activity because I saw them going right to the computer, and I say,hey, they're learning more from than when they are just from the revision.

他们在相互鼓励,我现在不用在早上，做那些纸和铅笔的活动了,因为我看到他们径直走到电脑那，我想，他们能从那学到的,比从复习中学到的要多。

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And each activity people participated in was linked to an additional 8% reduction in risk.

BBC: Social life 'may cut Alzheimer's risk'

McGraw, CTO at Cigital, said the report documents two or more real examples for each activity.

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One point was awarded for each activity, and people scoring less than 6 points were defined as having low leisure activity.

BBC: Social life 'may cut Alzheimer's risk'