Aerobic activity should be performed in bouts of at least 10 minutes duration.

有氧活动应该每次至少持续10分钟。

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Even in aerobic activity the thermo-formed and ergonomically adjusted contact surfaces enable the free flow of air on the back.

即使在有氧运动的热形成和变化，符合人体工程学的接触面，使空气在背面自由流通。

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Tai Chi combines aerobic activity, relaxation and meditation, which the researchers note have been reported to boost immune responses.

太极中蕴含了有氧代谢、放松以及沉思，这些据研究者报道能够促进免疫反应。

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

VOA: standard.2010.02.26

Aim for at least 30 minutes of aerobic activity most days of the week.

CNN: updated

Aerobic activity is a repetitive rhythmic exercise involving large muscle groups such as legs, shoulders and arms.

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The BHF also advises 150 minutes of moderate intensity aerobic activity each week.

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