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高志强教授文献里线性ADRC程序，针对二阶系统(the function of ADRC about DR.Zhiqiang Gao)

/* 描述： 1.自定义分数类fraction，使用该类可以完成分数的输入、分数的加、减、乘、除二目运算和一目减运算、分数的约分操作、分数的倒数运算、对两个分数进行六种比较运算、以及对分数的输出等操作。 2.尽量用运算符重载函数。如，可重载+、-、*、/、>、>=、 =,< ,< =,==,!=, in order to achieve a variety of computing scores. And achieve scores and mixed integer operations. 3. As far as possible to consider application performance.

是国标，关于税控收款机的标准（1），是相关收款机的国家标准-GB is on the standards Fiscal Cash Register (1), is related to cash registers of the national standards

usb的驱动程序 很好用的 万能的哟-usb driver used omnipotent good yo

说明：  利用GPflow进行高斯过程回归，kernel有OU过程核等(Gauss Process Regression Using GPflow)

说明：  此文件为数学建模比赛常用30个算法的matlab配套实现例程(This file is the matlab implementation routine of 30 algorithms commonly used in mathematical modeling competition)

银行管理程序，实现简单管理员删户开户，转账等功能(Bank management program)

说明：  comfast 810N无线网卡驱动 MAC黑苹果专用(comfast 810N wifi driver for mac)

libmysql.dll-5.6.21.0-32bit

说明：  问答系统 一款非常强大的问答系统，值得推荐，悬赏问答，支付功能，系统非常完善(Question answering system is a very powerful question answering system. It is worth recommending, rewarding and paying. The system is very perfect.)