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sql book and it is used to learn database managment system

采用了scrapy框架爬取链家网二手房的数据，可以导入到数据库中保存数据(Using the scrapy frame to climb the data of the second-hand house of the chain home network, it can be imported into the database to save the data)

text chatting program

这是一个模糊控制的BangBang模型，请大家参考(This is a fuzzy control Bang Bang model, please refer to)

一款微型的中文RPG游戏，由我编写，游戏中出现的图片主要由网友提供。这是一个自由游戏软件，你可以任意复制并传播。如果愿意还可 以自由更改，我们提供源程序。-Chinese RPG game, I prepared a game in which the photographs provided by netizens. This is a free game software, you can copy arbitrary and dissemination. If freedom can also willing to change, we provide source.

数据结构实验 循环链表的实现 测试函数main(Data structure experiment The implementation test function main of the loop list)

这是一个以色列教授编写的计算转子动力学的程序(rotor dynamic This is a program written by an Israeli professor to calculate rotor dynamics)

说明：  Matlab编写的内点惩罚法，内附有函数说明，简单实用(The interior point punishment method compiled by Matlab is simple and practical with function explanation)

物体不透明的情况下，物体表面的颜色仅有其反射光决定。反射光由环境反射、漫发射及镜面反射着三种类型的分量组成。其中环境反射式入射光均匀地从周围环境入射到物体表面后等量地向各个方向反射的光。冯氏模型假设物体某点上的反射光的强度时这三种反射光的叠加。

说明：  wind energy based on dfig system (PSCAD Model)