手机发明的英语作文_ 4篇

关于”手机发明“的英语作文范文4篇，作文题目。以下是关于手机发明的初三英语范文，每篇作文均为万能范文带翻译。

关于”手机发明“的英语作文范文4篇，作文题目。以下是关于手机发明的初三英语范文，每篇作文均为万能范文带翻译。

高分英语作文1：

Before the advent of devices now known as mobile phones, the development of mobile phones began with the testing of wireless phones on military trains between Berlin and Zosen, and public trials began with telephone connections on trains between Berlin and Hamburg. The company was established between Berlin and Hamburg to provide train telephone equipment and telephone services on German trains, between Hamburg and Berlin Reichsbahn and imperial post were approved and used for the first-class passengers only, but in the years after the invention of the meinerischen tube transmitter, the German parliament in Berlin led the experiment of wireless phones. Bell system's mobile phone service made its first mobile phone call in St.

Louis, Missouri in June of the same year, and then the car radio service of Bell Telephone Company of Illinois was carried out in MTS of Chicago on October 10. The telephone was composed of vacuum tube and relay, weighing more than LB kg. Initially, the channel was only used by all users in metropolitan areas, and then To add to the cross band channel.

With very few radio frequencies available, the service quickly reached the world's first partially automated car phone system. Mobile system a (MTA) was introduced in Sweden. Mobile phones are used for a variety of purposes, including keeping in touch with family members, conducting business, using phones in emergency situations, and some people carrying more than one mobile phone for different purposes, such as business and Personal use.

Multiple SIM cards can also be used to take advantage of different call plans. Specific plans may offer cheaper local calls, long-distance calls, international calls, or roaming phones. Mobile phones have also been used in a variety of environments.

In today's society, it's very difficult to find anyone without a mobile phone.

中文翻译：

在现在被称为移动电话的设备出现之前，移动电话的发展始于柏林-佐森之间的军用列车上的无线电话测试，公共试验始于柏林-汉堡之间的列车上的电话连接，该公司成立于柏林-汉堡之间，目的是提供列车电话设备，并在德国列车上提供电话服务在汉堡和柏林之间的航线上，Reichsbahn和imperial post是被批准和使用的，这种电话服务只提供给头等舱的旅客，但在Meißnerischen管式发射机发明后的几年里，柏林的德国国会领导了无线电话的实验。贝尔系统的移动电话服务于同年xx月在密苏里州的圣路易斯市进行了第一次移动电话呼叫，随后伊利诺伊州贝尔电话公司的汽车无线电话服务于xx月xx日在芝加哥MTS进行电话是由真空管和继电器组成的，重量超过磅公斤最初只有大都市地区的所有用户使用的频道，后来增加到跨波段的频道。由于可用的无线电频率很少，服务很快就达到了世界上第一个部分自动的汽车电话系统，移动系统A（MTA）在瑞典被引入移动电话被用于多种用途，包括与家庭成员保持联系，开展业务，在紧急情况下使用电话，有些人携带不止一部手机用于不同的目的，例如商务和个人用途。

多张SIM卡也可用于利用不同的通话计划的好处特定的计划可能提供更便宜的本地电话、长途电话、国际长途电话打电话，或漫游手机也已经在各种不同的环境中使用，在今天的社会中，你很难找到没有手机的人。

万能作文模板2：

My favorite invention in our life, there are many great inventions, such as lamps, pencils, bags. My father brought a car when he was that age. He took me to school on the first day of school.

It was so exciting. That day I fell in love with this invention. The car can go anywhere and save time, but it will also bring our environment.

I can invent "clean" ”The car, I hope the car can enter every family, I love the car.

中文翻译：

我最喜欢的发明在我们的生活中，有很多伟大的发明，比如灯，铅笔，包在我父亲那个年纪时带来了一辆车，他在上学的第一天就带我去上学了它太令人兴奋了，那天我爱上了这项发明汽车可以去任何地方，节省时间，但它也会带来我们的环境，我可以发明“干净”的汽车，我希望汽车能进入每个家庭，我最爱汽车。

满分英语范文3：手机发明

This concept mobile phone appeared as early as the last century, when Bell Laboratories, the largest communication company in the United States, began to try out the first so-called mobile phone in Bell laboratory. In April, Martin Cooper, a famous engineer and technician of Motorola Company in the United States, invented the world's first mobile phone. When Cooper plays with the world's first mobile phone, he can use any one In fact, the first generation of og mobile phones rely on different frequencies to distinguish different mobile phones of different users.

The GSM system of the second generation mobile phones is very small. Users can distinguish today's differences. The frequency resources are obviously insufficient, and the mobile phone users are also growing exponentially.

Therefore, different CDMA technology machines emerge as the times require through different code updates. The application of this technology not only improves the efficiency of the system, but also increases the number of users It improves the quality and confidentiality of mobile phone calls, and reduces the radiation. Now it can be regarded as "green mobile phone".

In addition to the mobile phone with mobile phone function, it also provides users with sufficient screen size and bandwidth for easy carrying. At the same time, it also provides a broader stage for software and content services. Many value-added services can be carried out, such as stock, news, weather, etc Transportation, merchandise, APP download, music and picture download, etc.

中文翻译：

这款概念手机早在上世纪年代就出现了，当时美国最大的通信公司贝尔实验室开始在贝尔实验室试用制造出的第一款所谓的手机xx月美国著名的摩托罗拉公司工程技术人员“马丁库珀”发明了世界上第一款手机，当库珀玩通了世界上第一台手机，他可以使用任何一种电磁频谱其实，第一代模拟手机依靠不同的频率来区分不同用户的不同手机第二代手机的GSM系统是非常小的由用户来区分今天的区别，频率资源明显不足，手机用户也呈指数级增长，因此，通过不同的码更新来区分不同的CDMA技术机器应运而生，这项技术的应用不仅提高了手机的通话质量和保密性，而且降低了辐射，现在可以算是“绿色手机”，除了具有手机功能的手机通话外，还为用户提供了足够的屏幕尺寸和带宽，方便携带，同时也为软件和内容服务提供了更广阔的舞台许多增值服务可以开展，如：股票、新闻、天气、交通、商品等，应用程序下载、音乐和图片下载等。