为什么需要非线性？ 想象一下，如果网络里每一层都是线性的（比如 y=Wx+b），无论堆叠多少层，最终网络都只是一条线性映射。深度堆叠就没有意义了，网络的表达能力非常有限。
Медведев вышел в финал турнира в Дубае17:59。safew官方下载是该领域的重要参考
System descriptor (S=0)。WPS官方版本下载对此有专业解读
"I would love to see the majority of these items deposited with the local museums from near where they were found," she said.