㈠ 手机发明英文翻译
the invention of phone
㈡ 谁发明了手机(英文)
1973年4月的一天,一名男子站在纽约街头,掏出一个约有两块砖头大的无线电话,并打了一通,引得过路人纷纷驻足侧目。这个人就是手机的发明者马丁·库帕。当时,库帕是美国著名的摩托罗拉公司的工程技术人员。 这世界上第一通移动电话是打给他在贝尔实验室工作的一位对手,对方当时也在研制移动电话,但尚未成功。库帕后来回忆道:“我打电话给他说:‘乔,我现在正在用一部便携式蜂窝电话跟你通话。’我听到听筒那头的‘咬牙切齿’——虽然他已经保持了相当的礼貌。” 到今年4月,手机已经诞生整整30周年了。这个当年科技人员之间的竞争产物现在已经遍地开花,给我们的现代生活带来了极大的便利。 马丁·库帕今年已经74岁了,他在摩托罗拉工作了29年后,在硅谷创办了自己的通讯技术研究公司。目前,他是这个公司的董事长兼首席执行官。马丁·库帕当时的想法,就是想让媒体知道无线通讯——特别是小小的移动通讯手机——是非常有价值的。另外,他还希望能激起美国联邦通讯委员会的兴趣,在摩托罗拉同AT&T(AT&T也是美国的一家通信大公司)的竞争中,能支持前者。 其实,再往前追溯,我们会发现,手机这个概念,早在40年代就出现了。当时,是美国最大的通讯公司贝尔实验室开始试制的。1946年,贝尔实验室造出了第一部所谓的移动通讯电话。但是,由于体积太大,研究人员只能把它放在实验室的架子上,慢慢人们就淡忘了。 一直到了60年代末期,AT&T和摩托罗拉这两个公司才开始对这种技术感兴趣起来。当时,AT&T出租一种体积很大的移动无线电话,客户可以把这种电话安在大卡车上。AT&T的设想是,将来能研制一种移动电话,功率是10瓦,就利用卡车上的无线电设备来加以沟通。库帕认为,这种电话太大太重,根本无法移动让人带着走。于是,摩托罗拉就向美国联邦通讯委员会提出申请,要求规定移动通讯设备的功率,只应该是一瓦,最大也不能超过三瓦。事实上,今天大多数手机的无线电功率,最大只有500毫瓦。 从1973年手机注册专利,一直到1985年,才诞生出第一台现代意义上的、真正可以移动的电话。它是将电源和天线放置在一个盒子中,重量达3公斤,非常重而且不方便,使用者要像背包那样背着它行走,所以就被叫做“肩背电话”。 与现在形状接近的手机,诞生于1987年。与“肩背电话”相比,它显得轻巧得多,而且容易携带。尽管如此,其重量仍有大约750克,与今天仅重60克的手机相比,像一块大砖头。 从那以后,手机的发展越来越迅速。1991年时,手机的重量为250克左右;1996年秋,出现了体积为100立方厘米、重量100克的手机。此后又进一步小型化、轻型化,到1999年就轻到了60克以下。也就是说,一部手机比一枚鸡蛋重不了多少了。 除了质量和体积越来越小外,现代的手机已经越来越像一把多功能的瑞士军刀了。除了最基本的通话功能,新型的手机还可以用来收发邮件和短消息,可以上网、玩游戏、拍照,甚至可以看电影!这是最初的手机发明者所始料不及的。 在通讯技术方面,现代手机也有着明显的进步。当库帕打世界第一通移动电话时,他可以使用任意的电磁频段。事实上,第一代模拟手机就是靠频率的不同来区别不同用户的不同手机。第二代手机——GSM系统则是靠极其微小的时差来区分用户。到了今天,频率资源已明显不足,手机用户也呈几何级数迅速增长。于是,更新的、靠编码的不同来区别不同的机的CDMA技术应运而生。应用这种技术的手机不但通话质量和保密性更好,还能减少辐射,可称得上是“绿色手机”。
㈢ 手机的发明英语作文
The Telephone
The telephone is one of the most welcome and useful inventions. No wonder more and more families have got to use their own telephones today.
The telephone makes things easy in many ways. Especially, after the mobile telephone appears, communication becomes easier and rapider. To students and people going out for business far away from their homes, the telephone can shorten the distance between them and their families. Thus they will get comfort whenever they are homesick or they run into trouble. With the help of the telephone, people can keep in touch with anyone at any time and in any place for urgent help.
All in all, the telephone is so helpful that we can say that nowadays we can not live without the telephone in our daily life. We will further improve the performance of the telephone so as to create better conditions for its development.
电话
电话是目前最受欢迎和最有用的发明之一,怪不得越来越多的人已经使用了自己的电话.
电话在许多方面使事情变得简单,尤其是在移动电话出现以后,通讯变得更加快捷方便.对于那些离家的学生和做生意的人来说,电话缩短了同家人的距离,在此它能蛤想家的人和处在困难中的人一个好的心情.有了电话帮助,人们可以随时随地和任何人联系,寻求紧急帮助.在这种情况下,电话显得尤其重要.
总之,电话是如此有用,以至于如今的日常生活离不开它.我们逐步提高电话功能,为它的发展创造更好的条件.
㈣ 英语作文关于手机的发明介绍80字还要带语文翻译
My
favorite
inventionIn
our
life,there
are
many
great
inventions,such
as
the
light,the
pencil,the
bag...At
the
age
of
6,my
father
brought
a
car,he
took
me
to
school
on
the
first
day
of
school.It
was
so
exciting.I
fell
in
love
with
this
invention
on
that
day.The
car
can
go
anywhere
and
save
time,but
it
also
pullutes
our
environment.I
holp
I
can
invent
"clean"
cars.I
hope
the
cars
will
enter
every
family,and
I
love
cars
best.翻译我最喜欢的发明在我们的生活中,有许多伟大的发明,如光、铅笔、包…回…6岁时,我父亲用一辆车,带我在去学校答的第一天.这是如此令人兴奋.那天我爱上了这项发明.汽车可以去任何地方,节省时间,但它也污染我们的环境.我帮助我能发明“干净”的汽车.我希望汽车将进入每一个家庭,我最喜欢的汽车.
㈤ 手机的发明历史 英语作文
I think mobile photos are the most use for inventions . We can't life without mobile phones . They was invente by Martin Cooper .The were invente in 1973 .They used to very big ,and heavy .But now great changes have taken place .They are very small and thin .Mobile phones didn't appear in China until 1987.They are used for talking with friends. They are used for playing games.They are used for surf the Internet.
㈥ 写一篇关于手机的发明和用途,还有对我们生活的影响的英语作文。
Advantages and Disadvatages of Mobile phones
As every body knows, mobiles are playing a important part in our daily life nowadays.But they have bot advantages and disadvtanges in my opinion.
First, mobiles make it convinent for people to keep in touch with each other whevere they are.Especially when they have something important.It reces the cost for people dont have to travel a long way to get to know the things in person
Second,we can send messages by mobiles with little money,just 0.01 yuan for each short message.
third, we can also play games or take photoes or listen to music on the mobiles,late we do many things on them with the development of technology.
But they also have many disadvatages.we have to pay for the wrong numbers which are not for us.The radioactivites may do harm to our health.Sometimes the rings may affect others in public or at meetings
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㈦ 关于手机历史的英语作文100字
手机,又名移动电话,是可以握在手上的移动电话机。早期因为个头较大有大哥大的俗称,目前已发展至4G时代。1973年4月,美国工程技术员“马丁·库帕”发明世界上第一部推向民用的手机,“马丁·库帕”从此也被称为现代“手机之父”。直至现在,手机成为人们生活中非常重要的工具,并像瑞士军刀一般功能多样化。
Mobile phones, also known as mobile phones, mobile phones can be hold in my hand. Early because they more commonly known as the great mobile, at present has developed to the 4 g era. In April 1973, the American engineering technicians \"Martin cooper invented the first in the world to the civil mobile phones,\" Martin cooper \"from now on, also known as the modern\" father \"of mobile phones. Until now, the mobile phone become a very important tool in people life, and like a Swiss army knife is versatile.
㈧ 关于手机发明和用途的英语作文
Before the devices that are now referred to as mobile phones existed, there were some precursors. The development of mobile telephony began in 1918 with tests of wireless telephony on military trains between Berlin - Zossen. In 1924 public trials started with telephone connection on trains between Berlin - Hamburg. In 1925 Zugtelephonie A. G. is founded to supply train telephony equipment[8] and in 1926 telephone service in trains of the Deutsche Reichsbahn and imperial post on the route between Hamburg and Berlin is approved and used.[8] This phone service was only offered to 1st class travelers, but in 1918, some 5 years after the invention of Meißnerischen tube based transmitters, the German Reichsbahn in Berlin led experiments with telephony via radio.
The first mobile telephone calls were made from automobiles in 1946. The Bell System's - Mobile Telephone Service - inaugural call was made on 17 June of that year in St. Louis, Missouri, followed by Illinois Bell Telephone Company's car radiotelephone service in Chicago on 2 October. The MTS phones were composed of vacuum tubes and relays, and weighed over 80 pounds (36 kg). There were initially only 3 channels for all the users in the metropolitan area, increasing later to 32 channels across 3 bands. This service continued into the 1980s in large portions of North America. Due to the small number of radio frequencies available, the service quickly reached capacity. In 1956, the world’s first partly automatic car phone system, Mobile System A (MTA), was introced in Sweden.
Mobile phones are used for a variety of purposes, including keeping in touch with family members, concting business, and having access to a telephone in the event of an emergency. Some people carry more than one cell phone for different purposes, such as for business and personal use. Multiple SIM cards may also be used to take advantage of the benefits of different calling plans— particular plan might provide cheaper local calls, long-distance calls, international calls, or roaming. The mobile phone has also been used in a variety of diverse contexts in society. Today you can hardly find someone without a mobile phone.
㈨ 手机是最重要的发明,英语作文
参考提纲:发明改变了世界,改变了人们的生活,我所认为的最伟大的发明:
I think the most important modern invention is the Internet. With the Internet, we can do many things. For example, we can shop, learn knowledge, listen to music, and watch movies online. The Internet makes the world smaller. We can meet and talk to friends and relatives far away without spending a lot of money. We can also post our blogs online so our friends can know what we are doing by visiting our websites like zuowendidai(Joozone). Internet makes our life more exciting and easier.