手机的历史英语作文_The history of mobile phones 4篇

手机的历史英语作文_The history of mobile phones 4篇

关于”手机的历史“的英语作文范文4篇,作文题目:The history of mobile phones。以下是关于手机的历史的初中英语范文,每篇作文均为高分范文带翻译。

关于”手机的历史“的英语作文范文4篇,作文题目:The history of mobile phones。以下是关于手机的历史的初中英语范文,每篇作文均为高分范文带翻译。

高分英语作文1:The history of mobile phones

Cooper mobile phone is also known as "mobile phone", which is the earliest invention of mobile phone in the world. Until now, mobile phone is also known as the father of modern mobile phone. Mobile phone has become a very important tool in people's life, and it is widely used like Swiss Army knife.

中文翻译:

库珀手机在当今世界上最早发明的移动电话也被称为“移动电话”,在当今世界上最早被称为“移动电话”,直到现在,手机也被称为现代手机之父,手机成为人们生活中非常重要的工具,而且像瑞士军刀一样用途广泛。

万能作文模板2:

The history of mobile phones the history of private phones is made up of Tom Farley digital wireless and cellular The writing of roots can be traced back to the scene when commercial mobile phones began to use. Compared with today's rapid development speed, the emergence of wireless technology seems a little strange. This technology has many reasons and is not interested in it.

To some extent, vacuum tubes and transistors made early telephone networks possible. Regulations restricted the development of early wireless phones in the United States It started after the advent of low-cost microprocessors and digital switching, and bell systems, the best fixed line phone system in the world, seemed never really committed to mobile phones - their wireless engineers were brilliant, but the system itself hindered their development - and federal regulations hindered many projects. However, in Europe, the state-owned telephone companies control their own telecommunications development.

Although, there is no competition, wireless technology has come very fast. In most cases, since, mobile radio in the United States began to work at MHz frequency, which is above the current AM radio broadcasting band. These are mainly experimental radios of the police department until s [FCC] police and emergency The emergency services sector promoted the groundbreaking development of mobile radio and began to use the actual system, rarely considering the use of private phones.

中文翻译:

移动电话历史私人电话的历史由Tom FarleyDigital wireless和cellular roots编写,可追溯到商用移动电话开始使用时的情景,与今天迅猛的发展速度相比,无线技术的出现似乎有些奇怪,这项技术有很多原因,不感兴趣,在某种程度上,由于真空管和晶体管使早期电话网络成为可能,条例限制了美国早期无线电话的发展,无线是在低成本微处理器和数字交换出现之后才开始的,而贝尔系统则是世界上最好的固定电话系统,他们似乎从未真正致力于移动电话——他们的无线工程师才华横溢,但系统本身却阻碍了他们的发展——联邦法规也阻碍了许多项目的实施。但在欧洲,国营电话公司控制着自己的电信发展,尽管,无可否认,没有竞争,无线技术来得很快,在大多数情况下,从年开始,美国的移动无线电开始以兆赫频率工作,就在现在的AM无线电广播波段之上[Young]这些主要是局的实验性无线电,直到s[FCC]和紧急服务部门推动移动无线电的开创性发展,才开始使用实际的系统,很少考虑私人电话的使用。

满分英语范文3:手机的历史

Gmobile mobile phones, also known as mobile phones, can be held in my hands early because they are more commonly known as great mobile phones. At present, it has developed into the G era. In April, American engineers and technicians "Martin Cooper invented the world's first civilian mobile phone".

From now on, until now, mobile phones are also known as the father of modern mobile phones, and mobile phones have become people A very important tool in life, and as versatile as a Swiss Army knife.

中文翻译:

obile手机,又称手机,手机之所以能早早地握在我的手中,是因为它们更俗称伟大的手机,目前已经发展到g时代的xx月份美国工程技术人员“马丁·库珀发明了世界上第一款民用手机”,马丁·库珀从现在开始,直到现在,手机也被称为现代手机之父,手机成为人们生活中非常重要的工具,而且像瑞士军刀一样用途广泛。

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