一位反对者指出，这些运动员只不过是从巅峰状态回复到了平均水平。
One naysayer pointed out that these athletes were simply reverting to the mean.
运动面部肌肉可以让皮肤变得紧实，使松弛的脸逐步回复年轻，面部问题迎刃而解！
Doing exercise for facial muscle can let skin tense, and let the loosing face recover step by step. The problem is solved!
将造波水槽内二维浮体牵引弹簧回复液压缸的受力系统简化为弹簧—质量—阻尼器系统，建立数学模型，并根据牛顿第二定律得到运动方程式。
The model of a kind of wave energy device moored on seabed is simplified into a spring-mass-damping system, and then its motion equation is built according to Newton's second law.
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