进一步分析了波的前向和后向传播现象，定义了排队长度。
The phenomenon of forward and afterward propagation is analyzed, and queuing length is defined.
与单独使用后向传播神经网络算法相比分类效果也得到了改善。
Compared with neural network algorithm using back-propagating alone, it improves classification results.
本文介绍一个在窗口系统下用C语言实现的后向传播神经网络(BP网络)模拟软件。
A simulation program for back-propagation neural network implemented with Cprogramming language under Windows system is presented.
采用自适应变步长的后向传播算法（ABPM）构建了一个人工神经网络用水量预测模型。
The following paper constructs a artificial neural network - named water quantity predicting model, using automatically adapting and step-self-changing back propagation method(ABPM).
实验结果表明前馈后向传播网络的性能最好，与基准模型比较平均错误率下降54.4%。
Experiment results show that feed-forward backpropagation network achieves the best performance, which reduces average error rate by54.4%.
在线性近似条件下，量子化了非线性薛定谔方程，用后向传播法数值求解了孤子源啁啾对量子光孤子的影响。
Based on the linearization approximation, nonlinear schrodinger equation is quantized, the influences of the soliton source chirp on quantum soliton is studied by using the back-propagation method.
美国传播学派把文化区域特征归结为地理性的文化中心，即文化在这些中心滥觞然后向周边流传。
The American diffusionists attributed the characteristic features of a culture area to a geographical culture center, where the traits were first developed and from which they then diffused outward.
分析了两个磁性层和间隔层的厚度对静磁后向体波色散和传播损耗的影响。
The dispersion and propagation loss can be reduced significantly by properly choosing the thicknesses of the two magnetic films and separation layer.
计算还发现，当气泡接近它的最小半径处，气泡外围形成很薄的高压区，这个高压区域随后向外传播，这就形成冲击波。
We find that when the collapsing bubble approaches its minimum radius, a high pressure layer just outside the bubble is generated which gradually moves outward and subsequently forms a shock wave.
计算还发现，当气泡接近它的最小半径处，气泡外围形成很薄的高压区，这个高压区域随后向外传播，这就形成冲击波。
We find that when the collapsing bubble approaches its minimum radius, a high pressure layer just outside the bubble is generated which gradually moves outward and subsequently forms a shock wave.
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