1 什么是电力电子技术 2 电力电子技术的发展史 3 电力电子技术的应用 4 教材内容简介和使用说明

一、中国桥梁的发展 二、中国钢桥的发展 三、钢桥的分类 四、钢桥实例赏析

There Are Three Things Important When Buying a House: Location Location Location

Ambulance always returns home with each service; standard M/G/1 applies a But suppose we have an emergency repair vehicle that travels directly from one customer to the next?

two -Server- Hypercube” Queueing Model Distinguishable servers Different workloads(due to geography) Can appear with or without queueing With-- usually FCFS Without--usually means a backup contract service is in place

第一章软件工程 第二章数据结构 第三章操作系统 第四章数据库技术 第五章面向对象程序设计 第六章计算机网络 第七章网页设计 综合练习题

Outline Background and Definitions Shortest path Minimum spanning tree Introduction to Travelling Salesman Problem and Chinese Postman Problem

Single Tree center problem G is a tree. e i=1. 2..m are the end vertices

Birth-and-Death Queuing Systems 1. m parallel, identical servers. 2. Infinite queue capacity. 3. Whenever users are in system (in queue plus in service) arrivals are Poisson at rate of an per unit of time. 4. Whenever n users are in system, service completions are Poisson at rate of un per unit of time. 5. FCFS discipline

Lecture Outline A fundamental result for queuing networks State transition diagrams for Markovian queuing systems and networks: example Analysis of systems with dynamic demand and service rates Qualitative behavior of dynamic systems