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1.Thanks to the modern technology, the film about thatancient battle gives the audience the illusion of being on the battlefield themselves.2.That ancient city was devastated by the fire, butfortunately the stone tablet survived.3.The videotape and the story by the women filled themwith sympathy for the child who had become an orphan in the earthquake.4.in that earthquake, we heard many stories of teacherswho had refused to leave their students behind and laid down their lives.5.the construction of the Yu Yuan Garden began in 1558,but it was not completed until 1578 because building went off and on for lack of money.6. in 1980, when I met up with her,, she had justreturned from abroad with a master’s degree.7.It was my first visit to New York, but I managed tofind my way to the little firm.8.It is hard to make it to the top in the movie industry,but as a director Xie Jin did it.1.many vain young people are obsessed with fancy carsdespite the fact that they are not yet rich enough to afford them.2.their marriage finally fell apart when his affairwith another woman was found out by his wife.3.for artistic inspiration, the artist lived in thecountry for three years, where he denied himself many comforts of life.4.I’m not sure if we can have the excursion toChongming Island tomorrow. It’s at the mercy of the weather.5.when he was young he went to Japan to learn medicine,but after he returned to China he changed his mind and pursued a career as a writer all his life.6.She’s taken up with a man old enough to be her father,which is a disgrace to her parents.7.since 1978, our economy has witnessed a rapiddevelopment; in contrast that of some developed countries has declined.8.the earthquake isolated the city from other areas.Their food supplies will not hold out through thewinter.Unit 31.the fans waited anxiously in the rain for two hoursbefore the ‘super girl’ finally showed up.2.they had been in love for 8 years and gone throughmany agonies, before they finally got married.3.I was upset by the loss of my wallet, but I could onlyconsole myself-it could have been worse. What if I had lost my passport at the airport?4.given that he was young and inexperienced, hisperformance in his first movie was excellent.5.every time he left on business, the manager wouldauthorize his assistant to act for him, as the business of the company couldn’t wait.6.the poor old man did not have much to eat, but he kepthealthy because he believed in the benefit of doing exercise.7.of all the ancient civilization, only that of Chinaendured through the ages and is still full of vitality.8.like many other writers, this young writer focuseson the eternal theme of love. What sets him apart fromothers is his keen observation of rural life in China. Unit 41.children may swim here provided that they areaccompanied by adults,2.this American journalist made a fool of himself overhis remarks about China, because he’s been out of touch with what’s been happening in the country in the past three decades,3.every person has the right to education, regardlessof his family background, sex, and age.4.the invention of the Internet, despite the fact thatit has given rise to some problems,, has greatly facilitated almost every aspect of our life, including education, medicine, and business.5.never overlook your travel insurance when you areplanning to spend your holiday abroad; otherwise you might find yourself in great trouble if any accident should occur,6.in the movie that billionaire was faced with adilemma-either divorce his wife, who would then carve out half of his financial empire, or murder her at the risk of being found out by the police,7.as the husband lost his job in the financial crisis,the new couple had to cut down on a lot of things-furniture, clothes, records, books, and so on.8.over 30 years ago, right after the CulturalRevolution, Deng Xiaoping told the people that the only way out laid in reform and opening up to the outside world.Unit 51.this film actor is more inclined than most people tohelp the handicapped because he himself suffered a stroke ten years ago.2.the old man is afflicted with rheumatism, but he stillgoes jogging and climbs mountains every day.3.some of the flaws in the American financial system,which had never received due attention, eventually led to disastrous consequences.4.he held on to his shares of that company when theprices were dropping sharply last year. Now he has made a fortune.5.just dismiss the idea from your mind-it’s crazy andnot worth thinking about at all.6.we were all set to leave for the holiday in New Yorkwhen the 9/11 incident shook the world.7.if you think I have a magic formula to solve theproblem, you are bound to be disillusioned.8.that Japanese company succeed in penetrating the USTV market.Unit 61.our group was assigned to decorate the garden whilethe others were preparing the food in the kitchen.2.on the battlefield the young man was delighted to meeta long-lost brother who came out of the blue.3.who has used up the milk? There is none to put in mycoffee.4.rumor has it that this painting is fake and that theoriginal one was stolen three years ago.5.one person may not be able to change much, but workingtogether we’ll be able to make a great difference to our country.6.many burglaries took place because the owners failedto take the precaution of locking their doors and windows.7.the minster flew to the front to negotiate with therioters in an effort to prevent a civil war.8.I assumed you knew each other because I saw youtalking to each other at the party.Unit 71.he was hospitalized with acute appendicitis, with theresult that he missed the final exam.2.as many more people came to the lecture than expected,there were not enough handouts to go round.3.no matter what a long day he may have, he makes a pointof checking his e-mail inbox before going to bed.4.unemployment is found in all countries in the world,but governments vary in their way to handle the problem.5.anyone who has come to a foreign country for the firsttime is apt to find everything around him both strange and interesting.6.the football fans were very disappointed at theperformance of the players of both teams.7.never take what he says at face value. Think it overyourself.8.the doctor’s words removed his fears about theoperation.Unit 81.after months of negotiation, the two company finallycame up with a solution, which was in essence our original proposal.2.the people of that African tribe worship the moon inmuch the same way that our ancestors worshipped the sun.3.it is still a puzzle as to how the ancient Egyptianpyramids were built over 4000 years ago. Some people speculate that they were built by supernatural beings.4.the illegal use of inferior building materialseventually resulted in the collapse of the hotel.5.at present, many countries are taking action tomitigate the impact of the financial crisis on their economy.6.the couple finally divorced after years of incessantquarrels, which had resulted from a lack of understanding.7.the government of the two countries agreed to set upa military hotline to reduce the risk of war due toincorrect information.8.some Chinese students were not very successful inAmerican universities because they failed to adapt to the environment there.Unit 91.in October, 1935, the Chinese Red Army, havingendured all the hardships and sacrifices, finally made their way to the north of Shanxi Province.2.in the economic crisis, the government released astatement, calling upon the people to buy local products as far as possible.3.the politicians in various countries are trying toharness nuclear energy and restore the safe environment for the human race.4.he didn’t hear the doorbell because he was rapt inhis work.5.this country suffers from frequent riots because ofwidespread extreme poverty, as well as people’s inherent distrust of the corrupt government.6.in his lecture on the current economic situation, theeconomist used a lot of figures on the PPT to underline the seriousness of the crisis.7.he answered with a smile, ‘Not at all. I did thisas much for you as for myself.8. a man is measured not by what ha says, but by whatha does for his country and people.Unit 101.he can’t even draw a distinction between French andSpanish, not to say speaking them.2.in a craze for cultural relics in the 1990s, oldchinaware, such as those handed down from the Ming and Qing Dynasties, were much sought after by collectors.3.despite the opposition of most of his advisors, thegeneral decided to take his chances on the battle and suffered a total defeat in the end.4.the Chinese nation has stood up to the vicissitudesof thousands of years and is now in the process of rejuvenation.5.I wish you would confine your talk to the facts ratherthan spread word about the biased report in that newspaper.6.the first thing he did after his arrival in Paris wasto convert all his money into Euros.7.that Shakespearean play was tailored to the taste ofthe Chinese audience when it was put on the Chinese stage, so much so that it was more like a Chinese play than an English one,8.you must abandon your native language for sometime,if you really want to acquire a good competence in English.Unit 111.as my article was over 10,000 words, I finally hadto cut out several paragraphs to satisfy the requirements of the academic journal.2.there is no running away from the facts, so we mustface up to the truth and pay for our mistakes.3.that year, despite the car accident, he was promotedto the next grade after he passed all the exams required by the school.4.the intellectuals of that country were very criticalof the government’s new social welfare policy because, according to them, it would bring down the living standards of the working people.5.it is, to be sure, difficult to remove the resentmentbetween them, but it is at least worth trying.6.the government is taking all possible measurement tobring down the prices lest inflation should get out of control7.as the murderer denied all the charges, we had toconvince the jury with more evidence that he was guilty.8.finally he managed to forgive his wife for herinfidelity and was reconciled with her after years of separation.Unit 121.his father died when he was only nine years old,leaving the whole family helplessly at the mercy of others.2.her story stirred many beautiful memories of mychildhood, which I have always cherished in my heart.3.the two countries held several rounds of negotiationto settle their differences.4.more and more students are opting for his coursebecause of his humor and energy as well as his effective way of teaching.5.in his speech the premier vowed to address the seriousproblem of unemployment and to boost the income of the common people.6.the former Nazi officer who was arrested last yearin Argentina was prosecuted for the crimes that he had committed during the Second World War.7.the great value of this book rests in the fact thatit has influenced and encouraged a whole generation of young people in their struggle against imperialism and feudalism.8.with regard to the silent students, the teachershould try to enhance their self-confidence and encourage them to voiace their idea in class.。
第一单元自动化第二部分阅读A自动化的含义“自动化”已经是，而且现在仍然是，一个被大量滥用的词。
但是，人们对其确切的意义以及所包括的内容，正在逐渐地有了较为正确的了解。
如果不是下一个定义的话，我也许可以尝试作些解释，把自动化说成是一个概念。
运用这个概念，人们通过对机器装置的性能进行充分的测量、观察和控制，从而使其以最高的效率运转。
这需要对这种装置的功能有一个详细而连贯性的了解，以便需要时便能运用最佳的矫正操作。
自动化按其确切的意义，只有全面运用通信、计算和控制三个主要组成部分（“三C" )才能完全实现。
我认为，确保人们对合为一体的三个组成部分对我们的社会所蕴含着的某些意义有所认识和了解，是很有必要的。
首先，我们不妨考虑工业部门之一的炼钢工业。
在炼钢工业中，自动化已经开始成型。
到过钢厂的人都会知道从高炉开始的各种工艺流程的一些情况，成品条钢或板钢生产出来之后，再准备送往制造工艺车间或汽车厂，这些工艺流程是相互链接的。
为了使工厂中各个车间充分发挥效率，可以使用计算机来控制每个车间。
在此之前，计算机工作所需要的一切资料均输入机内。
就高炉来说，需要给计算机提供装人高炉的原料的信息、高炉工作温度的信息和处理各种各样配料的最好方法等方面的资料。
钢厂的高炉操作是一项复杂而要求技术熟练的作业，需要大量的知识和大量的综合信息，并迅速地做出判定选择，以便确保高炉工艺流程中的下一阶段的有效工作。
计算机对所有这一切都了解得很透彻，能够做出非常大量的中间判定，并且能够把全部信息立刻和不间断地提供给管理人员，以使他们做出高效管理这个工厂所需要的最后决定。
由此产生的信息数据和判定要进行处理，然后转送到下一个工序。
在这里，对操作的一些专门细节再次进行整理，提出最佳和最终的判定，然后对这些信息再一次进行处理并输送给下一道工序。
同时，当信息数据从生产单元的一道工序输送到下一工序并完全结合成为一项新的操作时，每次变化的结果反馈到最初阶段，而且，不断地做进一步的调整，结果是整个工厂的工艺流程便能够高效率地进行下去。
科技英语翻译1.1 翻译的标准第1节翻译练习1The power plant is the heart of a ship.The power unit for driving the machines is a 50-hp induction motor.动力装置是船舶的心脏。
驱动这些机器的动力装置是一台50马力的感应电动机。
第1节翻译练习2Semiconductor devices, called transistors, are replacing tubes in many applications.Cramped conditions means that passengers’ legs cannot move around freely. All bodies are known to possess weight and occupy space.半导体装置也称为晶体管，在许多场合替代电子管。
我们知道，所有的物体都有重量并占据空间。
空间狭窄，旅客的两腿就不能自由活动。
第1节翻译练习3The removal of minerals from water is called softening.A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.去除水中的矿物质叫做软化。
双子叶植物典型的营养叶由两个主要部分组成：叶片和叶柄。
1.2 对译者的要求第4节翻译练习1Einstein’s relativity theory is the only one which can explain such phenomena.All four (outer planets) probably have cores of metals, silicates, and water.爱因斯坦的相对论是能解释这种现象的唯一理论。
科技英语综合教程_课后练习答案及参考译文科普课后练习答案及参考译文Unit 1Translation PracticeII. Words and Phrases Translation A. Translate the following expressions into Chinese:1. mutual gain game and mutual harm game 互赢博弈和互败博弈2. sequential-move game 连续策略博弈3. simultaneous-move game 联立策略博弈4. linear reasoning 直线推理5. circular reasoning 循环推理6. Nash equilibrium 纳什均衡7. dominant strategy 支配性策略8. optimal result 最优化结果9. breakdown of cooperation 合作分裂10. strategy of brinkmanship 边缘化策略B. Translate the following expressions into English:1. 完全博弈 pure conflict2. 竞争与合作 competition and cooperation3. 策略性相互作用strategic interdependence4. 囚徒困境prisoners’ dilemma5. 长远性损失 long-run loss6. 针锋相对策略 tit-for-tat strategy7. 混合性策略mixing one’s moves8. (网球)斜线球或底线球 hit a passing shot cross-court or down the line9. 垄断性市场 monopoly market10. 均衡份额 equilibrium sharesIII. Sentence Translation:A. Translate the following English sentences into Chinese: (Pay attention to the underlined part)1. 博弈的实质是博弈者采取策略之间的相互依赖性。
科技英语翻译1.1 翻译的标准第1节翻译练习1The power plant is the heart of a ship.The power unit for driving the machines is a 50-hp induction motor.动力装置是船舶的心脏。
驱动这些机器的动力装置是一台50马力的感应电动机。
第1节翻译练习2Semiconductor devices, called transistors, are replacing tubes in many applications.Cramped conditions means that passengers’ legs cannot move around freely.All bodies are known to possess weight and occupy space.半导体装置也称为晶体管，在许多场合替代电子管。
我们知道，所有的物体都有重量并占据空间。
空间狭窄，旅客的两腿就不能自由活动。
第1节翻译练习3The removal of minerals from water is called softening.A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.去除水中的矿物质叫做软化。
双子叶植物典型的营养叶由两个主要部分组成：叶片和叶柄。
1.2 对译者的要求第4节翻译练习1Einstein’s relativity theory is the only one which can explain such phenomena. All four (outer planets) probably have cores of metals, silicates, and water. 爱因斯坦的相对论是能解释这种现象的唯一理论。
Unit 11.在历时四年的研究中，科学家调查了地球上的许多生境、物种以及将它们联系起来的生态体系。
For four years the scientists examined the planet’s many habitats and species and the systems that bind them together.2.《千年生态系统评估综合报告》为人们提供了认识生态系统经济价值的全新视角，也为人们尊重和保护地球的生命支持体系提供了新的论据。
The Millennium Ecosystem Assessment Synthesis Report gives people a new insight into the economic importance of ecosystem services and some new and additional arguments for respecting and conserving the Earth’s life-support system.3.科学家认为，水文系统的改变可能导致破坏性洪灾的发生更加频繁和严重。
According to the scientists, changes to water systems may increase the frequency and severity of destructive floods.4.从经济角度看，与那些被用于商业开发的生态系统相比，很多原始生态系统的价值更高。
From an economic perspective, compared with the ecosystems altered for commercial use, many intact ones are more valuable.5.如何在利用地球生态系统提高人类生活水平的同时，缓解该系统所承受的压力，完全取决于人类社会。
行胜于言Unitl1. The essence of a game is interde 卩endtncc of player siraiEgics There are two 'distinct types of strategic interdependence: secmeDtiul 卫nd 尊砸1怡moijs.搏弈的实质是搏弈者采取策略之间的相互依赖性。
这种策略性的相互依赖表现为两个不同的 类别：连续策略之间的相互作用以及联立策略之间的相互作用。
2. When we say that an outcome is mi 匕qailibHiTiiL there is ifd fiction thatHeach person? privately best choke will 圧a^Tkra collecti¥ely optiniiTr 祗ult ・当我们把博弈的结果表述为一种均衡的时候,人最佳策略将会带来共同的最优化结果。
3. Jn some situations of conflict, any systematic action will be discovered and exploited by the rival. Therefore, it is important to keep the rival guessing by onet nioyp 富Typical examples arise in sports ^whether to 『cm 0〕10 pass in 竈 particular witimtion in foodxdL or whether co hit 21 passin* shot CKJ 貂-conn or down th£ line in kmriis.在一些冲突中，任何规律性的行为都会被对手发觉并利用。
因而，通过采取混合性策略来迷惑对 手就显的非常重要。
第一张机器人走进千家万户(1)比尔﹒盖茨设想一下:在一个新的产业诞生之际, 你目睹见证了这一切! 这个产业是在前所未有的新技术基础上发展起来的, 其中包括一些实力雄厚企业销售的高度专业化商务设备, 还有越来越多的新兴公司生产的新奇玩具、为玩具藏家青睐的机巧装置, 以及其他一些奇特有趣的特殊产品。
但同时, 这还是一个缺乏行业标准和平台的、尚不成规模的产业。
项目复杂, 进步缓慢, 实际应用更是少之有少。
事实上, 尽管对这个产业的未来充满热情和希望,但是没有人能明确地说出什么时间- 或究竟是否有可能-它能取得关键性的规模发展。
但是,若真能实现发展, 那么,它很可能改变整个世界。
当然, 上述描述可算是上世纪70 年代中期计算机产业的写照, 也就在那时, 保罗·艾伦和我成立了微软公司。
当时,部分大企业、政府部门和其他一些机构都在使用笨重、昂贵的主计算机进行后台运算。
知名大学和大型工业实验室的研究人员正试图建造出最基本的构件, 以使信息化时代的到来成为可能。
当时因特尔公司刚刚推出他们的8080 微处理器,安他利公司正在销售一款流行电子游戏Pong 。
而在一些自发组成的计算机俱乐部里,热忠于此的人们急切地努力探索这种新技术带来的好处究竟是什么。
但当时我脑海中所萦绕的则是更具前瞻性的问题:机器人产业即将作为一项新兴的产业而崛起,其当时的发展同30 年前计算机的发展如出一辙。
想想看, 目前汽车组装线上使用的制造型机器人已替代了昔日的主计算机。
这个产业其他的典型产品包括可进行外科手术的机器手, 在伊拉克和阿富汗用于路边及地面排雷的侦察机器人, 以及可以进行地板吸尘的家用机器人。
电子产品公司还推出了可模仿人类、或是狗、恐龙等的机器人玩具, 而玩具收藏者们正迫不及待地想要猎取一套乐高公司生产的最新机器人系列玩具。
与此同时, 世界尖端科技人员正试图解决机器人技术中最棘手的难题, 诸如视觉识别、远程操控、以及学习型机器等问题, 而且他们正在不断获得成功。
行胜于言Unitl1. The essence of a game is interde 卩endtncc of player siraiEgics There are two 'distinct types of strategic interdependence: secmeDtiul 卫nd 尊砸1怡moijs.搏弈的实质是搏弈者采取策略之间的相互依赖性。
这种策略性的相互依赖表现为两个不同的 类别：连续策略之间的相互作用以及联立策略之间的相互作用。
2. When we say that an outcome is mi 匕qailibHiTiiL there is ifd fiction thatHeach person? privately best choke will 圧a^Tkra collecti¥ely optiniiTr 祗ult ・当我们把博弈的结果表述为一种均衡的时候,人最佳策略将会带来共同的最优化结果。
3. Jn some situations of conflict, any systematic action will be discovered and exploited by the rival. Therefore, it is important to keep the rival guessing by onet nioyp 富Typical examples arise in sports ^whether to 『cm 0〕10 pass in 竈 particular witimtion in foodxdL or whether co hit 21 passin* shot CKJ 貂-conn or down th£ line in kmriis.在一些冲突中，任何规律性的行为都会被对手发觉并利用。
因而，通过采取混合性策略来迷惑对 手就显的非常重要。
我们可以从体育运动中找到一些典型的例子，比如足球运动中的特定情况下 选择跑位还是传球，网球比赛中选择击打近网球还是底线球。
4, Brinkmanship "is the tactic of deliberately letting the situation get somewhat out arnanayjust because its being out of hand may be intolerabk to the other party and fonx hi$ 肚comnuxhtion 「5. When one player knows something that others do not, sometimes he is anxious (oGOJKCH I this infonnation (切亡‘百 h^nd in poke" and at other times he wants to 疣¥出弟 iE credibly fa company I commitmem to quality). In both cases the generalprinciple is that actions speak louder than words,当博弈的一方掌握其他各方不了解的信息时，他会急于隐瞒这一信息 牌），其他情况下他也可能想把信息令人信服的公布岀来。
这两种情况下，一个基本的原则就是1. The devices can be designed to specifically M and enter tumor cells. Once i 闊俎 they 并不是基于以下的假设：即博弈的每个参与者的个边缘化策略就是故意使局势变的无法控制的策略, 接受，从而迫使对手作岀妥协。
正是由于局势的无法收拾可能令其他对手难以（例如纸牌游戏中抽到的can dsllYgi any number of pay loads, from 迎沁that improve cancer detection to treatments such as drugs or genes.这种纳米装置可以设计用来靶向并进入肿瘤细胞。
一旦进入，它们就可以携带提高癌症检测的制剂及癌症治疗的药物或基因等许多有效载荷。
2» Adjusting the particles* sizes creates probes that, when stimulated by light,亡mit distinct amounts of energy, or different colors of light.调整颗粒的大小就形成了探针，当光束照射探针时，它就会放射岀大量清晰可见的能量，或者是不同颜色的光。
3+ The researchers then injected the targeted drug-dendrimer complexeslntTR^nously into mice Eddied with human epithelial-cell cancer研究人员接着将靶向药物树枝状聚合物通过静脉注射到移植了人类上皮细胞的小鼠身上。
4. Because flesh is transparent to light in this wavelength range, Uirgeting nimotubeslo ca ncer cells and then hitting them with a near-infrared laser could lum the uibeg into weapons that kill the cells with heat由于肌肉在这个波长具有透光性，将纳米管靶向癌细胞并用近红外线激光照射，就能将纳米管变成用高温杀死癌细胞的武器。
■ Normally, if a healthy cell acquires too many mutations to develop properly, the 卩53 gene will initiate cellular suicide. If this gene stops working, however, the 511 teeps growing and can become正常情况下，如果一个健康的细胞发生了许多突变而不能继续正常生长，p53基因就会诱发细胞自杀。
然而，假如这个基因停止作用，细胞就会持续生长，最终可能变为恶性肿瘤细胞。
i. The extreme flexibility and cap仙y for growth characteristic of ES cells makes themideal for producing large quantities of thei；Np亡utic celh to treat, say, diabetes OF spinal cord injuries.胚胎干细胞的极强的适应性以及生长能力使它们能够产生大量的治疗细胞去治疗像糖尿病及脊髓损伤一类的疾病。
2.These cells can form oligodendrocytes, the cells that, among other functions,produce the protective 央泗询shu&th that allows neurons to send signals along their axons,该细胞可形成少突神经胶质细胞，其功能之一是产生保护性髓磷脂鞘使神经元能够沿着神经轴突传递信号3.Perhaps the biggest wony is that hES therapies will spur tumor formation. One of thedefining characteristics of ES cells is that they form disorganized tumors, called teratomas, when injected in undiffewntiMed form under the skin ofiiminmuxnripnjmised mice-也许对人体胚胎干细胞疗法的最大担心在于它可能诱发肿瘤形成下注射未分化已明确的是在免疫受损小鼠皮的胚胎细胞时可形成非组织性肿瘤，即畸胎瘤。
4- CMWrcd cells are often kepi alive with fetal calf serum, for instance, and most hES cell lines have been grown on layers of mouse cells called feeder ulk which pnwi血the key proteins that prevent ES cells from differentiating. I比如，培养的细胞通常在胎牛血清中存活，大多数人体胚胎干细胞生长在滋养层细胞的鼠细胞层上，以提供关键蛋白质防止胚胎细胞分化。
5- Finally, some scientists worry that ES cells might acquire harmful new mutaiiong in culture, and such mutations would be particularly hard to deteci ahead of time.最后，一些研究者担心在培养中胚胎细胞可能会获得有害的新突变。
这种突变事先是难以检测到的。
1. By using the PCMM (PacketCable Multimedia) specification, cable operator canenhance a user's broadband experience by priorilizing or regErving gndwidth for la 忙ncy-sgnmUvE or 耳Uirgrrich 內ppUmTiom,通过使用PCMM规，有线运营商可以对时延敏感或富有特色的应用给予优先权或预留带宽，从而加深用户对于宽带业务的感受。
2 The PCMM architecture consists of main eleTnents: IP endpoints (PC, gamingconsoles or SIP phones), cable modem, CMTS (cable modem termination systcm)t record keeping server policy server »nd an application manager.PCMM体系结构包括六个主要组成部分：IP端点(PC机、游戏控制器或SIP话机) 、电缆调制解调器、电缆调制解调器终端系统(CMTS) 、记录保持服务器、策略服务器和应用管理器。
