The brain creates "set lengths" for muscles based on regular activity.

根据日常生活行为习惯，大脑为肌肉设定了固定的长度。

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Editing is a sporadic but regular activity, essential for growing community and maintaining participation.

编辑是一种零散但常规的活动，对于壮大和维护社区的参与十分关键。

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It's this combination of regular activity and healthy eating that will help you achieve and maintain a healthy weight.

多活动、少吃饭，两者相结合可以更好地帮助你实现并保持健康的体重。

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The government's National Institute on Aging says regular activity can help seniors maintain their strength and be more independent, have more energy and better balance.

CNN: The new face of fitness is getting older

Even for owners who cannot keep a constant eye on their pets, by monitoring and recording the number of steps they take, as well as signs of shivering and external temperature information, the new device enables owners to stay informed about the dog's regular activity levels, making it easy to detect any changes in their pet's health.

ENGADGET: Fujitsu collar monitor proves that all dogs go to the cloud

Regular physical activity enhances important skills, like concentration and problem solving, which have been shown to improve academic performance.

WHITEHOUSE: The White House