Daily activity pattern: Przewalskii horse has partially resumed intrinsic activity pattern with its living condition change.
日活动规律：随着生存环境的改变，野马已部分恢复其自身活动节律。
Mice usually have a characteristic daily activity cycle that lasts 23.6 hours. But after a week on high-fat chow, the experimental mice had a pattern about 20 minutes shorter than normal.
一般情况下小鼠特征性的周期活动每天持续23.6小时，但是高脂饮食后一周实验组小鼠的这种活动比正常组减少了20分钟。
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