$$z^{(1)}_i = \sum_{j=0}^{N} w^{(1)}_{(i,j)} x_j + b^{(1)}_i$$隐藏层激活：
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Пообещавшая повысить интеллект Каллас вновь заявила о «агрессии» России против 19 государств15:00
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The most unrelenting enemy of a military computer is Moore's Law.