激活函数的作用 激活函数在每个神经元输出前进行非线性变换，让网络可以拟合复杂的函数关系，从而解决分类、回归等非线性问题。
When they began walking again, they had a "bizarre" interaction with a man who thought they were lost as they were wearing coastal banners while walking in land-locked Shropshire.
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「我上任前十個月結束了八場戰爭」