In this chapter a number of tools for the analysis of multivariable systems will be given.In particular, this will indude poles and zeros of multivariable sy stems the generalized Nyquist Theorem for st ability analysis of multivariable sy stems, and frequency responses for multi-

1.证明由n个元素组成的集合T={a1,a2,…,an}有2个子集。 解由k个元素组成的子集的个数为Cn,c=(1+1)=2

2.形容词后缀 一、带有“属性,倾向,相关”的含义 1.-able, -ible, movable, comfortable, applicable, visible, responsible 2.-al, natural, additional, educational 3.-an, ane, urban, suburban, republican 4.-ant, -ent, distant, important, excellent

1数列极限概念 (1)对下列E分别求出极限定义中相应的N:e1=0.1,2=0.01,e3=0.001; (2)对E1,E2,E3可找到相应的N,这是否证明了an趋于0?

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Prepositional phrases Fill in gaps in these sentences with a suitable noun and prepositional phrase. The first one is done for you as an example. of inferior quality of minor importance of short duration out of date out of order our of stock out of work to a certain extent

Choose the missing words from the box. The first one is done for you as an example. memorandum courier pencil reference clear registered enclose zip code post code p.p. acknowledge printer stationery word-processed

1. 1 Around the wor Vocabulary Each of these sentences has a nationality word missing Choose a word from the box. (The first one is done for you as an example

In the early days of sea seamen on long voyages lived exclusively on salted meat and biscuits of them died of scurvy(坏血病), a disease of the blood which causes swollen gums, livid white spots on the flesh and general exhaustion. On one occasion in 1535, an English ship arrived in Newfoundland with its crew desperately ill. The mens lives were saved by Iroquois Indians who gave them vegetable leaves to eat. Gradually it came to

have pleasure in advising you that we have received from the above mentioned bank an amendment to Documentary Credit No. ETN-CXLC06 contents of which are as follows The place of expiry: In China, instead of In CANADA