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【单选题】
以下关于FNN和误差反向传播(BP)算法的说法错误的是
A.
BP 算法是从输入层开始,逐层计算δ信号调整自身,并且将δ信号传向后一层
B.
BP 算法的核心是对隐含层神经元误差 E 的估计
C.
BP 算法对多层网络训练时使用的 sigmoid 激活函数存在“梯度弥散”问题
D.
BP 算法的出现解决了多层神经网络权重调整困难的问题
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【单选题】—If people make small changes, like taking buses instead of driving cars, it will make a big difference. —_____. Then the traffic will be much better.
A.
That’s all right
B.
You are dead right
C.
I don’t quite agree
D.
Oh, come off it
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