8-3模m的剩余类环 8.3.1模m的剩余类环的定义 定义8.7设m设一个正整数,定义 /(m)={a+(m)a∈} 将模m的剩余类a+(m)记作a,现定义Z/m)中的加法和乘法如下: 此两种运算满足8.1.1中除第9)条以外的其余八条性质(其中0称为Z/(m)的零元素,1 称为Z/(m)的单位元素),于是Z/(m)构成一个代数系统,称为Z模理想(m)的剩余类环 或乙模理想(m)的商环

外研版（三起）（2012）小学英语五年级下册Module 8 Unit 2 I made a kite.Module 8 Unit 2 I made a kite.课件(5)

外研版（三起）（2012）小学英语五年级下册Module 8 Unit 2 I made a kite.Module 8 Unit 2 I made a kite.课件(4)

Muscles Active while Lengthening Consider the example of ordinary exercise, lets say one of the running events in the Olympics. Muscle functions to stop the motion of the athlete as often as it does to start it. When a load larger than isometric tetanus tension To is applied to a muscle in a tetanic state of activation, the muscle lengthens at a constant

外研版（三起）（2012）小学英语五年级下册Module 8 Unit 2 I made a kite.Module 8 Unit 2 I made a kite.课件(3)

Directions: After each of the following words, there are four other words marked A, B, C, and D with some of their letters underlined. Choose the one that has the same pronunciation as the given one. 1. cute A. lump B. chubby C. robust D. venue 2. testify A. youthful B. notify C. royal D. needy

Broadcast Routing Route a packet from a source to all nodes in the network Possible solutions: – Flooding: Each node sends packet on all outgoing links Discard packets received a second time – Spanning Tree Routing: Send packet along a tree that includes all of the nodes in the network

DestinationAddress Output port number or VC number A packet switch consists of a routing engine (table look-up), a switch scheduler, and a switch fabric

外研版（三起）（2012）小学英语五年级下册Module 8 Unit 2 I made a kite.Module 8 Unit 2 I made a kite.课件(2)

Ch. 14 Stationary ARMA Process a general linear stochastic model is described that suppose a time series to be generated by a linear aggregation of random shock. For practical representation it is desirable to employ models that use parameters parsimoniously. Parsimony may often be achieved by representation of the linear process in terms of a small number of autoregressive and moving