叙述了DA神经元在视网膜的分布、DA受体的定位、DA在视网膜的生理功能以及该领域研究的新进展。
This paper reviews the distribution of DA neurons in retina, the localization of DA receptors, the physiologic roles of DA in the retina and new progress in this study field.
首先叙述“安导元”整距变极的原理，然后给出了设计方法，并以8/2变极为例说明之。
The principle of the design method based on ampere-conductor-unit is described, then the method is given and also illustrated by 8/2 pole changing.
并且详细叙述了神经网络结构参数如隐含层神经元个数、激励函数、网络收敛精度等的确定原则和方法。
The principle and methods to determine the network parameters such as number of neuron in hidden layer, excitation function and the convergence accuracy have been analyzed in detail.
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