nio的fr a mework,不需要关注NIO编程的细节,只需要根据几个简单的API就可以使用NIO了.-nio s fr a mework, no need for concern about the programming details of NIO only need a few simple API you can use the NIO.

matpower作为一种免费电力软件，建立在matlab基础上，满足学习和科研的基本要求，容易在此基础上实现新功能和应用(Matpower is a kind of free power system software for education and researches. It is designed easily for user's applications.)