PN model, LAC neural network and its learning algorithm are all put forward first time in this thesis.
PN神经元模型、lac神经网络及学习算法,都是本文首次提出的。
Intermediate driving way is put forward for the first time and can solve influence of deflection and edge effect come from rail beam on mechanical and electric performance.
首次提出中间驱动方式,能较好地解决轨道梁产生的挠度、边缘效应等对机械和电气性能的影响。
In the interwar, French immigrant issue was the first time put forward as an"issue", the main reason of which lies on the French society attitude towards the immigrants.
两战期间法国移民的同化问题第一次被当作“问题”提出来,其根源在于法国社会对待移民群体的态度。
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