“`” 参考回答：
Attention简单理解就是权重分配，。以seq2seq中的attention公式作为讲解。就是对输入的每个词分配一个权重，权重的计算方式为与解码端的隐含层时刻作比较，得到的权重的意义就是权重越大，该词越重要。最终加权求和。
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<pre><code> "“`
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