首页
登录
职称英语
现在3G通信已经成为人们的口头禅(pet phrase),那么什么是3G通信?3G的全称是“3rdGeneration”,中文含义就是“第三代数字通信”
现在3G通信已经成为人们的口头禅(pet phrase),那么什么是3G通信?3G的全称是“3rdGeneration”,中文含义就是“第三代数字通信”
游客
2023-08-21
56
管理
问题
现在3G通信已经成为人们的口头禅(pet phrase),那么什么是3G通信?3G的全称是“3rdGeneration”,中文含义就是“第三代数字通信”。1995年问世的第一代数字手机只能进行语音通话(audio calls);而1996年到1997年出现的第二代数字手机便增加了接收数据的功能,如接收电子邮件或网页;第三代与前两代的主要区别在于传输声音和数据速度方面的提升,它能够处理图像、音乐、视频等多种媒体形式,提供包括网页浏览、电话会议、电子商务等多种信息服务。
选项
答案
3G Communication has been a pet phrase now. What is 3G Communication? 3G is short for 3rd Generation, meaning the third generation of digital communication in Chinese. The first generation of digital mobile phone coming out in 1995 only supported audio calls while the second generation appearing between 1996 and 1997, could receive data such as e-mails and web pages. Different from previous two generations, the third generation of mobile phone has accelerated the speed of transmitting sound and data. It can process many forms of media, such as picture, music and video and provide different information services, such as page browsing, telephone conference, e- commerce.
解析
转载请注明原文地址:http://tihaiku.com/zcyy/2943971.html
相关试题推荐
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
severe由下文“没有东西吃,人们要挨饿”,可知水灾严重,空格处填入severe“严重的”。注意该词[img]2015m6s/ct_ecsj_ecsliste
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
CertainphrasesonecommonlyhearsamongAmericanscapturetheirdevotionto
随机试题
PreparingforComputerDisastersSummaryA)Whenhomeofficecomp
DidGrandmaseemforgetfulattheholidaypartieslastmonth?Itcouldbeti
BarackandMichelleObamaunderstandtheheavyburdenofstudentloandebt.
工程建设项目,特别是市政工程建设项目具有建设规模大、()等特点。这一特点,决定
关于“信息化”的描述,不正确的是:()。A.信息化的手段是基于现代信息技
A.痰饮 B.伏饮 C.悬饮 D.溢饮 E.,支饮水饮流溢于四肢,称为
端子箱及检修电源箱设备出厂铭牌齐全、清晰可识别,箱体正门应具有()功能。自动关
简述现代企业人力资源管理各个历史发展阶段的特点。
女性,30岁。左腰部撞伤3小时。患者诉左侧腰痛,有压痛,未及肿块.生命体征稳定。
教育的根本任务是培养人。培养什么样的人,特别是培养出来的人应当具有什么样的政治方
最新回复
(
0
)