其中 $ f(t) $ 表示动画进度，$ t $ 表示时间。

BackEase

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BounceEase

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CircleEase

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CubicEase

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ElasticEase

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ExponentialEase

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PowerEase

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QuadraticEase

$ f(t) = t^2 $

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QuarticEase

$ f(t) = t^4 $

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QuinticEase

$ f(t) = t^5 $

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SineEase