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结合BP神经网络应用平均影响值（MIV，Mean Impact Value）方法来说明如何使用神经网络来筛选变量，找到对结果有较大影响的输入项，继而实现使用神经网络进行变量筛选。(BP neural network application with the average impact value (MIV, Mean Impact Value) method to illustrate how to use the neural network to filter the variables have a greater impact on the results found in the input items, and then realized using the neural network variable selection.)

Linux下开发的一款网络电话-Linux built a network phone

此为疾病诊断专家系统，用这种结构建立的知识库可以很方便地实现上面所提到的各种功能。这种结 构的最独特之处就是依靠相同的关键（疾病名或其代码）来实现一种疾病与其症候之 间的相互联系。疾病名与症候分别用二叉树进行排序。排序后可由疾病名而查到与该 疾病名有关的所有详细情况，也可由一种症候而查到哪些疾病有这种症候，以及该症 候可能引起各种疾病的概率。(This is the disease diagnosis expert system, using this structure to establish the knowledge base can easily realize the above mentioned features. The structure of the most unique is that relying on the same key (the disease or its code) to achieve a disease and its symptoms between. Name and symptoms of disease were treated with binary tree sort. Sort by the disease after the name of the disease were found with all the details of which can also be a symptom of the diseases that have found such a symptom, as well as the symptoms may lead to the probability of various diseases.)

模拟请求，基于HttpWebRequest封装好的一个类，自动记下和发送Cookie,你只管调用方法就行了，很实用

说明：  bergeron仿真贝吉龙过程，温度低于0℃且过冷却水滴、冰晶、水汽共存的云区，由于冰面的饱和水汽压低，而水面的饱和水汽压高，因此便会有这样的情况出现，即当云中的水汽压处于冰面和水面饱和值之间时，水汽在冰晶上凝华而使冰晶长 大，而水滴会不断蒸发变小或消失，形成冰晶“ 夺取”水滴的水分和原来云中水汽的冰水转化过程。(The saturated water vapor pressure of the bergeron surface is high, so there will be a situation where the water vapor in the cloud is between the ice surface and the saturation value of the water surface, the water vapor condenses on the ice crystals and causes the ice crystals to grow, and the water droplets will The evaporation continues to become smaller or disa)

使用2012Imagenet数据大赛深度学习网络为架构的卷积神经网络，可进行多类数据分类任务(Using the 2012Imagenet Data Contest Deep Learning Network for Architectural Convolution Neural Networks, Multiple Class Data Classification Tasks)

网络调试助手，通过网络发送、接收数据,可作为服务器，也可作为客户端(Network debugging assistant, through the network to send and receive data, can be used as a server, can also be used as a client)

说明：  卷积神经算法进阶，深度学习算法解决图像、语言处理等实际问题(Convolution neural algorithm advanced, deep learning algorithm to solve the image, language processing and other practical problems)

Another Dayz SA hack with script r

基于W5500芯片的ping功能，使用W5500ping通其他设备(W5500 chip based on the ping function, the use of W5500ping through other devices)