粒子群优化算法

用于批量提取abaqus的节点力，而不是积分点的力(Node force for batch extraction of abaqus, not integral point force)

输入集合个数及相应集合，指定子集和，然后回溯求解所有可能组合。-Enter the collection number and the corresponding collection and specify a subset, and then go back to solve all the possible combinations.

通过雪花飞舞这个小例子学习怎么制作控制动画-snowflakes fluttering through the small examples to learn how to control animation production

说明：  VUE开发的一套，商城管理系统，有完善的功能(A set developed by Vue, mall management system, with perfect functions)

可以实现对电力系统暂态的仿真。包换自动重合闸装置。(The simulation of power system transient can be realized. Replacement of automatic reclosing device.)

一个速度极快的VB MD5加密类，可以实现MD5加密算法(A fast VB MD5 encryption class)

说明：  本文件里有各种信息熵的用法，亲测每个代码都是有用的，代码浅显(There are various uses of information entropy in this document.)

说明：  AFT3引擎注册机终身免费注册永久免费小白必备(AFT3 Engine Register Free for Life)

新闻发布系统 ，jspWeb相关的详细知识，增删改除。(News release system, JSP Web related details, add, delete and delete.)

主要的功能是鉴相 可以通过鉴相推算频率 简单的实现其主要功能 验证算法的正确性(The main function is that phase discrimination can simply realize its main function to verify the correctness of the algorithm by calculating the frequency of phase discrimination.)