A mixed NN model is constructed using BP algorithm improved with dynamic learning rate.

利用动态学习率改进BP算法，建立了混合神经网络模型。

This is accomplished by introducing alpha (0 < alpha < 1), which is called the learning rate.

这个规则通过引入 alpha (0 < alpha < 1) 完成。 我们把 alpha 称为 学习率。

The serious cold had disturbed my routine even badly gotten my learning rate of progress behind.

那严重的感冒干扰了我的日常作息，甚至使得我的学习进度严重落后。

Here is my attempt to mathematically calculate the piano learning rate of the methods of this book.

针对本书对于钢琴学习速率提高的帮助，我在这里尝试做一下基本的数学计算。

Here I give some references to the selection of the number of hidden-layer nodes and learning rate.

在这里我们对于隐含层节点数选择、学习速率选择等问题提出一些参考意见。