There are various ways in which individual economic units ca

huige5542022-10-04 11:39:541条回答

there are various ways in which individual economic units can interact with one another. three basic ways may be described as the market syste m, the administered system, and the traditional system.
   in a market system individual economic units are free to interact among each other in the marketplace. it is possible to buy commodities from other economic units or sell commodities to them. in a market, transactions may take place via barter or money exchan ge. in a barter economy, real goods such as automobiles, shoes, and pizzas are traded against each other. obviously, finding somebody who wants to trade my old car in exchange for a sailboat may not always be an easy task. hence, the introduction of money as a medium of exchange eases transactions considerably. in the modern market economy, goods and services are bought or sold for money.
  an alternative to the market system is administrative control by some agency over all transactions. this agency will issue commands as to how much of each good and service should be produced, exchanged, and consumed by each economic unit. central planning may be one way of administering such an economy. the central plan, drawn up by the ***, shows the amounts of each commodity produced by the various firms and allocated to different households for consumption. this is an example of complete planning of production, consumption, and exchange for the whole economy.
  in a traditional society, production and consumption patterns are governed by tradition; every person’s place within the economic system is fixed by parentage, religion, and custom. transactions take place on the basis of tradition, too. people belonging to a certain group or caste(阶级) may have an obligation to care for other persons, provide them with food and shelter, care for their health, and provide for their education. clearly, in a system where every decision is made on the basis of tradition alone, progress may be difficult to achieve. an inactive society may result.
小题1:what is the main purpose of the passage?
a.to outline contrasting types of economic systems.
b.to explain the science of economics.
c.to argue for the superiority of one economic system.
d.to compare barter and money-exchange markets.
小题2:in the second paragraph, the underlined word “real” could best be replaced by _______.
a.valuable b.concrete c.absolute d.reliable
小题3:according to the passage, a barter economy can generate ______.
a.rapid speed of transactions b.misunderstandings
c.inflation d.difficulties for the traders
小题4:according to the passage, who has the greatest degree of control in the administered system?
a.individual households. b.small businesses.
c.major corporations. d.the ***.
小题5:which of the following is not mentioned by the author as a criterion(标准)for determining a person’s position in a traditional society?
a.family background b.age
c.religious beliefs. d.custom

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wenyou802 共回答了21个问题 | 采纳率90.5%
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Many people influenced various aspects of my life, based on
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As the youngest girl in my family, I always considered myself to be“Daddy’s little girl”. While I grew up, it always made me sad to see so many of my friends and neighbors without a father or father-like figure around. This helped me appreciate how my father always takes an interest in his children’s lives. In every aspect of my life my father continuously pushes me to excel , so I could accomplish my work outstandingly among my people. Whenever I feel like giving up, or have a question or a concern, I know I can always call on him for advice. From him I have also learned that sometimes you have to put others’ needs ahead of your own, but you should make sure you are not taken advantage of by others. His strength seems to be unbreakable during hard times, and he is extremely determined to accomplish anything he sets his mind on, no matter how tiny it is. I highly respect him for how he stands up for what he believes in, and will never back down. I have always admired his open mind, compassion(同情) for people, and sense of understanding. He is a very reserved(保留的) man, but to everybody’s surprise, he has a great sense of humor, and always knows how to put a smile on the faces of his wife, his children and his friends.
Living in his affection and instruction, I am very proud of my father. He also professes (声称) how proud he is of his children, and is still there to support us in whatever we are involved in.
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A.How my father loved me
B.My father—the person I admire most
C.I am the apple of my father’s eye
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B.Affectionate(慈祥的) and open-minded.
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B.try to take advantage of those who were friendly to her
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D.think about others and help them, but not to be made use of in a negative way
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A.She appreciated her father because he solved all the problems for her.
B.She considered her father humorous and was often made to laugh by him.
C.She had pity on the fatherless.
D.She was outstanding in work because her father pushed her hard.
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D.My father – the person who loved me most.
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A.Considerate and humourous. B.Affectionate and open-minded.
C.Energetic and helpful. D.Knowledgeable and sociable.
小题3:Which of the following can best explain the underlined word “excel” in Paragraph 2?
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C.Do better than others. D.Be more charming than others.
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There are various ways in which individual economic units ca
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B.He keeps a nursery garden with Peter
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variety various vary varied 的区别 老师你好!
variety various vary varied 的区别 老师你好!
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哪个表示 不同的种类
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对这一点看法各异.
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There are different varieties of plants in the garden.
花园里有各种各样的植物.
This shop sells a variety of toys.
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3. various是形容词,意思是“各种不同的, 各种各样的”.
如:The subject may be viewed in various ways.
这问题可以从不同的方面加以考虑.
The products we sell are many and various.
我们出售的产品是各式各样的.
There are various ways to solve the problem.
解决这个问题有许多种方法.
4. varied也是形容词,意思是“各种各样的;各不相同的;形形色色的;多变的/变化的/不同的”.
He had had a varied training and held many offices.
他受过多方面的训练, 担任过许多职务.
5. varied表示“一类中不同的/多变的”;
而various表示“不同种类的”. 原创回答团(第159号会员)
There are various options open to you中的open 是啥玩意?
There are various options open to you中的open 是啥玩意?
这句话中的open to you 中的open 应该是 宾补,而to you 则是 open 的状语,对否?
tgourd1年前2
ylq830 共回答了24个问题 | 采纳率83.3%
open 是向你敞开,不是宾补啊,there be 句型是主语的.various options 是主语.open to you 后置定语.
希望对你有用,
英译中,外贸沟通方面Good afternoon We have had to discuss the various
英译中,外贸沟通方面
Good afternoon
We have had to discuss the various problems that we are encountering on your parts and we hold this balance for the invoices almost like a guarantee.
There are credits that are on the purchase ledger account that have been raised because of the warranties that we experienced that you have exchanged e mails with David Lewis. I cannot pay this amount in full.
I am about to go on holiday and I want to resolve this issue to try to get production running in your plant and also to try to keep the relationship with Quinton Hazell.
I propose that we make a payment against this outstanding amount of €20,000 and I will also authorise deposit payment only against the invoice that you raise for the current order that I have asked for.
Let me be clear also we cannot make full payment against the subsequent invoice until we are in possession of the goods and have checked them
You must understand how nervous we are in Quinton Hazell as we have had so many failed promises from your company regarding quality of the parts.
Please reply to my colleague above Dave Lewis and myself as I start my holiday tomorrow.
布丁绵羊1年前3
czzf 共回答了23个问题 | 采纳率78.3%
下午好
我们双方已经讨论过很多问题了,我们扣下了发票的余款就是为了一个保证
现在在购买分类账上出现了信用问题,你方已经跟DAVID LEWIS邮件沟通过了,我不能全额付款
我马上要度假了,我想知道我们你们公司的对我们产品的生产计划来努力保持你方与Quinton Hazell良好合作关系
我建议我们支付未偿还部分20000英镑,我也会授权财务一旦收到贵司按我们要求的订单数量生产的话立即安排付款
我们不能全额付款,直至我们拿到和检验货物OK以后安排付款
希望你能明白我们在Quinton Hazell是多么的紧张,因为我们已经遭遇过很多次贵司产品质量方面的问题
请马上跟上面提到的Dave Lewis 和我回邮件,因为我明天要度假了
以上是我的理解,供楼主参考
The invention of various____promotes the exploration of oute
The invention of various____promotes the exploration of outer space.
A.spacecrafts B.aircrafts C.spacecraft D.aircraft
请说明原因哦,
axemanaxeman1年前2
筒子鸡 共回答了13个问题 | 采纳率100%
答案应该是B
1.根据题意,什么可以提升外空的开发.aircraft是飞机,而spacecraf是宇宙飞船,所以可以排除BD.
2.然后判断名词的单复数,various 是各种各样的,所以后面的名词应该是复数名词,promote之所以变形是因为,invention是主语并且为单数,所以promote为单三形式
In modern society people have to pass various test for profe

In modern society people have to pass various test for professional so that they can be qualified for a good job.
A.standards B.perseverance C.certificates D.permission
mihuayan5301年前1
jinxing1226 共回答了24个问题 | 采纳率95.8%
C

英语翻译在线求翻译,英语Although we now tend to the various crafts accor
英语翻译
在线求翻译,英语
Although we now tend to the various crafts according to the materials used to construct them-clay,glass,wood,fiber,and metal it was once common think of crafts in trend of function,which led to their being
known as the"applied arts"
天堂之心1年前4
快乐丽萍 共回答了18个问题 | 采纳率77.8%
虽然现在我们倾向于各种工艺品根据的是它的建筑材料,粘土,玻璃,木材和金属.曾几何时,考虑工艺品的功能性是很普遍的,并发展成为了应用艺术.
英语翻译The committee found that various institutes,in-house res
英语翻译
The committee found that various institutes,in-house research,administrative budgets,and continuing extramural (校外的) grants had been protected with the result that new and renewal grants had become a disaster area.
dou_dou_er1年前4
王八成 共回答了20个问题 | 采纳率90%
学校的委员会发现,由于各种(现有)的学院助学金、内部研究拨款、行政预算以及不断的来自校外的补助金受到了严格的监管,由此导致新的补助金以及续拨的补助金的管理变的一团糟.
这里protected可能是补助金使用规定过于严格,导致无法真正使用这笔款项.
共参考而已
能不能帮我翻译 In order to obtain various bis-amino acids,we have f
能不能帮我翻译 In order to obtain various bis-amino acids,we have firstly synthesized
totheskies1年前3
ls1408 共回答了19个问题 | 采纳率89.5%
总感觉你这段话好像没有写完,要是直接译的话应该是:为了获得我们已经合成的多种氨基酸...
Nowadays many parents make their children study various subj
Nowadays many parents make their children study various subjects _________ weekends.
A.with B.at C.by D.to
wumingdege191年前1
怨憎未相复 共回答了17个问题 | 采纳率70.6%
B

I am so energetic that my parents had to buy me various toys
I am so energetic that my parents had to buy me various toys .这个that从句是什么从句,请帮我讲解一
旧卡车1年前4
青_吟 共回答了13个问题 | 采纳率84.6%
这个so...that...引导的结果状语从句.想这些“Too.to.太..以致不.” 等等词都是用于状语从句、、、谢谢
看一下这个句子是否有语法问题During the three years,I took part in various
看一下这个句子是否有语法问题
During the three years,I took part in various students’ activities,played the role of a student leader successfully and delivered many speeches concerning “learning experience” in our faculty.
E怪怪1年前3
二十八次方 共回答了18个问题 | 采纳率94.4%
took part最好改成taken part
另外如果需要润饰一下,students’ activities最好改成student activities
delivered many speeches concerning “learning experience” in our faculty.在英语里面也显得有点怪,最好换个说法,改成shared my learning experience with my fellow students during several speeches in our faculty
There are various means the consumer may use to gain satisfa
There are various means the consumer may use to gain satisfaction.是定语从句吗
eagerall1年前2
dfg44 共回答了16个问题 | 采纳率87.5%
是的.
the consumer may use to gain satisfaction是定语从句,前面省略了that
There are various reasons accounting for excessive packaging
There are various reasons accounting for excessive packaging.
这句话翻译过来应是:“(这里)有各种理由来阐述过分包装.”这句话似乎很不通顺啊,如果换成:“(这里)有各种理由来阐述过分包装是有必要的.”那是不是就通顺了啊.我想作者的意思应该是:“过分包装有各种各样的理由.”所以这句话是不是有点问题啊?accounting 或accounting for 在这里作说明成分啊?
楚纤纤1年前2
ysx3403 共回答了17个问题 | 采纳率88.2%
过分包装是有不同理由的.
你不要按字面来翻译,不答中文习惯.知道大致意思后,用中文方式表达出来.
新概念二册英语作文作文:下面两个话题任选一个写一遍60字左右的作文1) Describe the various way
新概念二册英语作文
作文:下面两个话题任选一个写一遍60字左右的作文
1) Describe the various ways you are able to recognize a foreigner in your country.
2) Have you ever tried to talk to someone who didn’t know your language?
What happened?
searchkey1年前1
xujinnick_ 共回答了16个问题 | 采纳率87.5%
对不起,不会啊
The students orgnized various activities _____included givin
The students orgnized various activities _____included giving small lectures.
A where B in which C which D when 请详细解释,多谢!
再也回不去了20071年前1
恋你的单飞鹰 共回答了14个问题 | 采纳率100%
选C.这是一个包含定语从句的复合句.which既是引导词又充当了从句的主语.以上4个选项,只有which符合.
英语翻译The host of a show that focus on various topics.Many tal
英语翻译
The host of a show that focus on various topics.Many talk shows interview other celebrities
ewoitngho1年前1
hongxuming 共回答了18个问题 | 采纳率94.4%
一个节目的主持人会在热点话题上集中精力,很多脱口秀节目会采访其他名人.
应该是这样的吧
一句话英译汉,diamond has become an established solution in various
一句话英译汉,
diamond has become an established solution in various applications of molecular spectroscopy.怎么翻译更贴切?
chenfan1161年前6
1590190 共回答了22个问题 | 采纳率81.8%
我的理解是:
在分子光谱分析法各种应用中,金刚石已经成为一种既定的实验材料.
希望对你有用!
through the various kinds of clothing which make you outstan
through the various kinds of clothing which make you outstanding everywhere,more stylish是错句吗?
coshow1年前2
浪迹zz-123 共回答了24个问题 | 采纳率91.7%
目前错误不大,但是这话得有后半句
although(不是through) the various kinds of clothes that make you outstanding and stylished everywhere,.
Now there are mobile phones of various types to _____
Now there are mobile phones of various types to _____
A.choose from b.choose c.be chosen d.be chosen from
spurs21and091年前1
kewllinfo 共回答了23个问题 | 采纳率91.3%
d.be chosen from 可供从中选择的手机类型很多
Pop music is the name for various popular,commercial music.I
Pop music is the name for various popular,commercial music.It originated in the USA and spread through the whole world during the 1950s and 60s.It is widely liked by the young people.The best known early form of pop music was “rock’n’ roll”; another was “blues”. A more recent development is “folk rock”.Pop music has taken the place of native music in many parts of the world.It has caused the number of people for “jazz” music to become much smaller than in the 1950s and earlier, and it has now began to rule music stage productions.It is a big industry.
Much pop music is without artistic value, but the work of some pop singers e.g. the Beatles, Bob Dylan, the group like Pink Floyd and Crosby, Still and Nash, is on a higher musical level. And there is still great interest in it today. Pop music concerts and festivals are held all over the world.
小题1: In this passage the underlined word "originated" means _______.
A.got around B.began C.invented D.reached
小题2: According to the text, the number of people for “jazz” in the 1950s and earlier wa s
it is today.
A.much greater than B.as small as C.as greater as D.much smaller than
小题3: All of the following forms belong to pop music except .
A.blues B.rock’n’ roll C.jazz D.folk rock
小题4: Which of the following is TRUE?


A.Not all the pop music is without artistic value.

B.Much pop music is on a high musical level.
C.Pop music is high artistic.
D.No pop music is on a high musical level.
vqqel1年前1
zhidong1000 共回答了12个问题 | 采纳率91.7%
小题1:.B
小题1:.A
小题1:.C
小题1:.A

英语翻译People who perform the various functions of machine desi
英语翻译
People who perform the various functions of machine design are typically called designers ,or design engineers .Machine design is basically a creative activity.However,in addition to being innovative,a design engineer must also have a soild background in the areas of mechanical drawing,kiematics,dynamics,materials engineering,stength of materials and manufacturing processes.
Machine design should be considered to be an opportunity to use innovative talents to envision a design of a product ,to analyze the systim and then make sound judgments on hou the product is to be manufactured.It is important to understand the fundamentals of engineering rather than mimorize mere facts and equations.There ate no facts of equations which alone can be used to provide all the correct decisions required to produce a good design.On the other hand,any calculations made must be done with the utmost care andprecision.For example,if a decimal point is misplaced,an otherwise acceptable design may not function.
New designs generally have “bugs” or unforeseen problems which must be worked out before the superior characteristics of the new designs can be enjoyed .Thus there is a chance for a superior product,but only at higher risk .It should be emphasized that ,if a design does not warrant tadical new methods,such methods should not be applied merely for the sake of change.
During the beginning stages of design,creativity should be allowed to flourish without a great number of constraints.Even though many impractical ideas may arise,it is usually easy to eliminate them is the early stages of design before firm details ate required by manufacturing.In this way,innovatine ideas ate not inbibited .Quite often,more than one design is developed,up to the point where they can be compared against each other.It is entirely possible that the design which is ultimately accepted will use ideas existing in one of the rejected designs that did show as much overall promise.
Quite often,a problem will occur during the manufacturing cycle.It may be that a change is required in the dimensioning or tolerancing of a part so that it can be more readily produced.This falls in the category of engineering changes which must be approved by the design engineer so that the product function will not be daversely affected .
It is possible for two metals to have exactly the same strength and hardness ,yet one of these metals may have a superior ability to absorb overloads ,because of the property called ductility .Ductility is measured by the percentage elongation which occurs in the material at fracture .The usual dividing line between ductility and brittleness is 5 percent elongation .A material having less than 5 percent elongation at fracture is said to be brittle ,while one having more is said to be ductile .
只要翻译 只要翻译 只要翻译 只要翻译 只要翻译 只要翻译
if a design does not warrant tadical new methods,
innovatine ideas ate not inbibited .
This falls in the category of engineering changes which must be approved by the design engineer so that the product function will not be daversely affected .
孤独风暴1年前5
lucky5959 共回答了22个问题 | 采纳率95.5%
执行多种机器功能设计的人向来被称为设计师或者设计工程师.机器设计基本上是一项创造活动.然而为了改革创新,设计工程师必须有坚实的背景基础在机械画图,(kiematcs是什么?)材料工程设计,擅长材料和制造过程.
机器设计,应该被考虑为一种机会,用创新人才去设计产品,分析系统(应该是system吧)然后做合理的判断在(hou?how吧)怎样制造产品上
- -哎.算了.都翻译这么多了.
翻译你补充的吧
如果一项设计没有充分理由tadical(这个是什么词radical?感觉应该是创造)
去创造新的方法,
革命性的点子(ate?are吧)不会(inbibited?什么词)
为什么很多奇怪的词.哎不翻了
this phenomenon appears for various reasons 句话有没有语法问题
this phenomenon appears for various reasons 句话有没有语法问题
我想用这句话来表达“这种现象的出现是有很多原因的”可以吗 不可以的话怎么改正
phsd99f1年前3
o纤纤草o 共回答了15个问题 | 采纳率100%
没有,可以正常使用 “这个现象的出现是由于不同的原因”
完全可以 for various reasons 是原因状语
语法填空求助For various reasons,new roads couldn't start working a
语法填空求助
For various reasons,new roads couldn't start working and the ruins of the old buildings ____(expose) to the sun and rain.应该填什么?
我觉得应该是exposing 因为一般填空不填原型 但是明明and前的谓语是start 这个是原形啊
最后 一个句子中可以有两个谓语吗 没有连词的情况下.
林美美1年前3
jimling0 共回答了20个问题 | 采纳率85%
and是并列连词,连接两个句子,也就是两个主谓结构,所以这里的couldn't start和应填的词were exposed是两个不同的谓语,
Unlike an adjective,an adverb can be found in various places
Unlike an adjective,an adverb can be found in various places within the sentence.如何翻译
网络宫殿王子1年前2
萌萌0000000000 共回答了20个问题 | 采纳率90%
不像形容词,一个副词可以放在句子的不同地方.
高三英语试题 1.the number of various educational programs is incre
高三英语试题
1.the number of various educational programs is increasing ___whose___ important roles have been recognized by more and more people.
a.whose b.where c.which d.that
2.the captain,____having mad___is clear to us that he didn't want to waste more time arguing over the meaningless topic,quickly left the conference room.
a.mad b.making c.having made d.had made.
3.never accept whatever is written in a book ,for even experts ___can___make mistakes.
a must b.should c.will d.can
4.---a survey (显示找工作很难都在网上开店...)
---Personally,that's just__where__i feel concerned.
a.where b.what c.how d.which
5.the stronger the __motivation__,the more quickly one will master a foreign language.
为什么是motivation 选项 ambition 我觉得也可以哎~
答案我都知道 他的解析 看不懂...
简单易懂点的.
wwwwww83331年前1
杂项资产 共回答了19个问题 | 采纳率84.2%
1.定语从句
whose可以指东西,在从句中做定语
意思为:教育规划的重要性越来越被人们所认识到
2.是不是打错了
3.can可以表示有时会
Everybody can make a mistake.人人都会犯错误.
绝对不要完全相信书上写的,因为专家也会犯错误.
尽信书不如无书.
4.where引导表语从句
那正是我关心的领域或话题.
5.ambition n 雄心,抱负,野心
motivation n. 动机;积极性
一个人的积极性越高,就能够更快地掌握一门外语.
ambition个人理解为一种目标,所以用stronger修饰不大恰当
比如:He had another ambition.
他还有一个抱负.即.
various在这句子中的词义there are various toys in his room,he can pla
various在这句子中的词义
there are various toys in his room,he can play this one or that one.
的various是许多的还是各种各样的意思
潇湘妃子11年前6
kstar126 共回答了19个问题 | 采纳率94.7%
various ['vεəriəs]
adj.各种各样的;多方面的
various:不同的 | 各种各样的 | 各式各样的
在这句话中是各种各样的意思
他的房间有各种各样的玩具,他可以玩这个或是那个
Nowadays people have to pass various tests for professional&
Nowadays people have to pass various tests for professional ____so that they can be
qualified for a well-paid job.
[ ]
A. admission
B. permission
C. certificates
D. perseverance
天宇威龙1年前1
jtg20060501 共回答了12个问题 | 采纳率91.7%
C
英语翻译1.Within the realnumber system,numbers of various kinds
英语翻译
1.Within the real
number system,numbers of various kinds are identified and named.The numbers
1,2,3,4,… which are used in the counting process,are called natural
numbers.The natural numbers,together with–1,-2,-3,-4,…and zero,are called
integers.Since 1,2,3,4,…are greater than 0,they are also called positive integers;
-1,-2,-3,-4,…are less than 0,and for this reason are called negative integers.
A real number is said to be a rational number if it can be expressed as the
ratio of two integers,where the denominator is not zero.The integers are
included among the rational numbers since any integer can be expressed as the
ratio of the integer itself and one.A real number that cannot be expressed as
the ratio of two integers is said to be an irrational number.
2.Graph theory is a
rapidly growing branch of mathematics.The graphs discussed in this chapter are
not the same as the graphs of functions that we studied previously,but a
totally different kind.Like many of the important discoveries and new areas of
learning,graph theory also grew out of an interesting physical problem,the
so-called Konigsberg bridge problem.(this problem is discussed in Section 2)
The outstanding Swiss mathematician,Leonhard Euler (1707-1783) solved the
problem in 1736,thus laying the foundation for this branch of mathematics.
Accordingly,Euler is called the father of graph theory.
3.The start of
operations research took place in a military context in the United Kingdom
during World War Ⅱ,and it was quickly taken up under the name operations
research (OR) in the United States.After the war it evolved in connection with
industrial organization,and its many techniques allowed for expanding areas of
application in the United States,the United Kingdom,and in other industrial
countries.It is,however,not easy to give a precise definition of operationsresearch,There are three different representative definitions.
秋色天使1年前1
jhw_521 共回答了18个问题 | 采纳率94.4%
1. 在实数系中,不同种类的数字得以确定和命名.在数数时所用到的1,2,3,4, … 等数字被称为自然数.自然数以及-1, -2, -3, -4 和0都被称为整数.由于1,2,3,4,…都大于0,这些数字也被称为正整数;-1,-2,-3,-4,…都小于0,因此这些数字被称为负整数.如果一个实数能用两个整数之比来表示(分母不能为0),那么这个实数就是有理数.整数包括在有理数之中,因为任何一个整数都可以表示为该整数自己与1之比.如果一个实数不能用两个整数之比来表示,则该实数就是无理数.
2. 图论是发展迅速的一个数学分支.本章所讨论的图形不同于我们之前所学过的函数图形,而是一种全新的图形.就如同很多学问的重要发现和新领域一样,图论也出自一个有趣的物理问题,即所谓的哥尼斯堡桥问题(该问题在2小节予以讨论).杰出的瑞士数学家莱昂哈德*欧拉(1707-1783)于1736年解决了这个问题,并因此而为数学的这个分支奠定了基础.因此,欧拉被称为图论之父.
3. 运筹学出现在二战时期英国的战争背景下,并很快被美国以运筹学的名义开始进行研究.二战结束以后,运筹学与行业组织共同发展,并且运筹学的很多技术使得美国的应用领域得以拓宽.但是,要对运筹学给出一个准确的定义却并非易事.具有代表性的有三个不同定义.
英语翻译A hydraulic system is produced when the various conponen
英语翻译
A hydraulic system is produced when the various conponents such as reservoir,pump,valve,and motor are combined and joined together whith the necessary pipe,tubing,and fittings.The hydraulic system illustrated in Fig.2-6 is quite simple;however,when it becomes necessary vary speeds,motions,etc.,in a fixed or variable sequence,the complexity of the system.The mosr complex system still contains the basic vcomponents found on a simple system.Two types of hydraulic system.Two typs of hydraulic systems,the constant volume and the variable volume,are generally used.
fuyy3121年前1
爱斯特拉冈 共回答了14个问题 | 采纳率78.6%
液压系统是由储液缸,油泵,阀门以及电机等各种部件再加上合适的管道装置组成的.如图2-6中的系统就是一个简单的液压系统;尽管如此,在需要以确定或是变化的次序改变速度及运动这些参数的时候,就要用到复杂点的液压系统...
翻译以下文章,谢谢了Nowadays, more and more people of various ages and
翻译以下文章,谢谢了
Nowadays, more and more people of various ages and backgrounds are continuing to study to improve themselves. Here’s what they have to say about their life-long learning experience.

Sun Wen – 28 years old
“It’s never too late to learn.” That was the advice I got after I failed my college entrance exam. Now I’m about to graduate from the School of Continuing Education at Qinghua University with a Bachelor’s Degree in Computer Engineering by distance learning. Because of my new qualification, I’m getting promoted at work.
In the past, if someone like me had failed to get into university through the college exam, he would have had no chance of getting a degree. But it’s different now. I decided to give myself a second chance by studying for a degree in the evenings and on weekends while keeping a secure full-time job. Frankly speaking, the last four years have been hard work, but it’s been worth it!

Ms Tang – 45 years old
Three months ago, when my manager told me that I would be laid off, my mind went blank and my heart swelled with anger. In the past, if someone had worked for a company for over 20 years, they would have stayed there until retirement! I suspect that they laid me off because the company was not doing that well but it still brought a lump to my throat and made me want to cry. I felt as if I had done something wrong! I know this isn’t true though. It’s just the status of the job market at the moment.
At first, I enjoyed being a full-time housewife and called myself “CHO” or “chief home officer”. But soon I got bored and decided to do a business course. I have always dreamed of starting my own company.
I have nearly finished the course now and it has been very helpful. I have learnt so many new skills and have already prepared a business plan for setting up my own export company! I think that getting laid off will prove to be the best thing that ever happened to me.

Grandpa Chen – 75 years old
I’m sure you all know the saying, “You can’t teach an old dog new tricks.” Well, it’s certainly not true! I’m an old dog, and I’m teaching myself new tricks every day!
It all started a few months ago when postage went up. I’d been sending letters by airmail to my daughter in the US once a week, but, suddenly, it was too expensive. I decided that it was time I became an Internet user. I got my grandson to instruct me on how to email and use the Internet and I really enjoy the speed at which my messages get sent and answered. And aside from emailing, it’s fun to see and talk to my grandchildren in the US on the i-Cam. In the past, if I’d wanted to see them, I would have had to visit them in person.
So many people think that after you retire, all you can do is switch off your brain and bury everything you’ve ever learnt. This is so wrong!
Anyway, it’s time for me to go now. I have to practise the alphabet! I’m doing an English course on the Internet.
江城是我家1年前2
junxiu_62 共回答了14个问题 | 采纳率78.6%
如今,越来越多的人不同年龄和背景的继续学习,提高自己。以下是他们对他们终身学习的经验。
孙文 - 28岁
“这是永远不会太迟学习。”这是我得到了我后,我失败了高考的建议。现在,我即将从继续教育学院清华大学毕业有学士学位的计算机工程通过远程学习。因为我的新的资格,我获得晋升的工作。
在过去,如果有人像我一样未能进入过大学考试的大学,他将没有机会获得学位的。但现在不同了。我决定...
英语翻译1解决这个问题有许多种方法.(various)2出版了各种各样的书.(various)3他尽量说出她记得的情况.
英语翻译
1解决这个问题有许多种方法.(various)
2出版了各种各样的书.(various)
3他尽量说出她记得的情况.(try one,s best)
4我们不喜欢像他这种人.(such as)
5计算机对现代生活生产产生了巨大的影响.(make a great impact on)
youhh1651年前1
haikou168 共回答了23个问题 | 采纳率69.6%
1. There are various ways to solve this problem.
2. This publisher has published various genres of books.
3. She tried her best retelling the situation.
4. We don't like people such as this kind.
5. Computers have made a great impact on our lives.