直观理解一下，激活函数就像神经网络里的开关或滤镜，它决定了每个神经元应该多大程度地激活，从而使网络具备强大的表达能力。
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，这一点在旺商聊官方下载中也有详细论述
Under the new API design, transforms should not perform any work until the data is being consumed. This is a fundamental principle.
Фото: Liesa Johannssen / Reuters