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说明：  王兆安先生编写的《电力电子技术》电子版，十分适合电气工程专业学生。(The electronic edition of power electronics technology compiled by Wang Zhaoan is very suitable for students majoring in electrical engineering.)

研究了不确定同时取送货车辆路径问题（VRPSPD），考虑运行环境的不确定性，顾客时间窗口要求和对顾客同时进行取货和送货服务的情况，以运作成本最低和顾客满意度最高为决策目标，构建不确定 VRPSPD 数学模型。模型中，引入模糊随机理论来描述决策环境中的双重不确定性，假定顾客需求量（送货量）和取货量是模糊随机变量。随后，提出基于模糊随机算子的改进粒子群算法对模型进行求解。(This article studies the vehicle routing problem with simultaneous pickup and delivery under a fuzzy random environment. More specifically, to adapt the mathematical model and improve the algorithm performance, this approach makes improvements and modifications in encoding and decoding, multi-objective handling, and particle updating. The encoding and decoding are suitable, multiple fitness functions are used to deal with the multi-objectives, and the improved update function can help overcome the shortcomings of the basic particle swarm optimization.)

说明：  本文件为pdf论文一份,讲述了微电网数学模型的搭建过程，很有帮助(This paper is a PDF paper. It describes the process of building mathematical model of microgrid. It is very helpful.)

STCMS音乐系统是一个php+mysql（PHP>=5.0，MYSQL>=5.0）开发的功能强大的音乐系统，本系统有如下特点及功能。(STCMS Music System is a php+ mysql (PHP> = 5.0, MYSQL> = 5.0) developed a powerful music system, the system has the following features and functions.)

DSP TMS320vc5416 FFT代码-DSP TMS320vc5416 FFT code

递推最小二乘参数辨识，适用于ARMA模型，锂电池等效电路模型参数辨识时使用(RLS for parameter identification)

说明：  file system of uefi bios firmware

很多编程爱好者都编写过俄罗斯方块的游戏程序。很久以前，我用Tc2.0也做过一个；最近有好些朋友看见我以前的俄罗斯方块的程序后， 问我是怎么做的。我一直想把这个程序的整个过程写一份详细的东西，与各位编程爱好者分享，一直没空。正好现在放假了，而且离回家还有几天。于是我就把这个程序重新写了一遍，-Many programming enthusiasts have been prepared Tetris game procedures. A long time ago, I also made a Tc2.0 recently have some friends to see my previous procedure for the Russian box, the question is how I do. I have always wanted this process to write the whole process a detailed things to share with you programming enthusiasts, has been busy. Is now a holiday, and a few days away from home. So I put this process to re-write again,

一套基于asp的网络办公系统！功能类似于oa-a network-based office system! Similar to the functional oa

shenliu计算小程序，用于计算帷幕体的水头和水力比降。可作为渗流计算的核心程序-small shenliu calculation procedures used to calculate the curtain body and hydraulic head gradient. Seepage calculation can be used as the core of the procedure