优点：计算简单，导数恒为1（正区间），缓解梯度消失
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f(x1,x2)=x1⋅Swish(x2)=x1⋅(x2⋅σ(x2))，详情可参考一键获取谷歌浏览器下载
Five tips to help you get your first job
"And I wanted there to be a reputation for women pilots that was: 'Hey, they're really good'."