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。
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，详情可参考WPS下载最新地址
"There should have been lots of penguins there, but actually we could only see 25 groups," he said. Groups vary in size from 10s to up to 1,000 birds.。关于这个话题，WPS下载最新地址提供了深入分析
strict.writer.write(chunk1); // ok (not awaited)