Electronic commerce teaching and experiment network is composed of virtual individual study room, classroom, electronic commerce laboratory, examination room, l discussion room and management room.
电子商务教学与实验网络平台由虚拟个人学习室、教室、电子商务实验室、考场、讨论室、管理室组成。
Based on L-M algorithm of BP artificial neural network, the fractal parametric prediction model of running in and wear was established.
基于BP人工神经网络的L M算法，建立了磨合磨损的分形参数预测模型。
Firstly, the L-PLC automatic meter reading system is introduced, and the network topology of this system is analyzed. Then we make a brief description of relay technology which applies to this system.
本文首先对低压电力线载波抄表系统进行了介绍，分析了其系统结构和网络拓扑结构，并对其应用的中继技术做了简要的说明。
An improved neural network based on L-M algorithm has been applied to fault diagnosis expert system against to the slow convergence rate of conventional BP neural network.
针对传统BP神经网络训练中收敛速度较慢的缺点，提出一种基于L - M算法的神经网络应用于机械设备故障诊断的专家系统。
An improved neural network based on L-M algorithm has been applied to fault diagnosis expert system against to the slow convergence rate of conventional BP neural network.
针对传统BP神经网络训练中收敛速度较慢的缺点，提出一种基于L - M算法的神经网络应用于机械设备故障诊断的专家系统。
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