久久精品30_一本色道久久精品_激情综合视频_欧美日韩一区二区高清_好看的av在线不卡观看_国产自产精品_91久久黄色_午夜亚洲福利_欧美黄在线观看_国内自拍一区

--- SEARCH ---
WEATHER
CHINA
INTERNATIONAL
BUSINESS
CULTURE
GOVERNMENT
SCI-TECH
ENVIRONMENT
LIFE
PEOPLE
TRAVEL
WEEKLY REVIEW
Learning Chinese
Learn to Cook Chinese Dishes
Exchange Rates
Hotel Service


Hot Links
China Development Gateway
Chinese Embassies

Domestic 3G Mobile Phone to Be Put into Commercial Use

The developer of China's first 3G mobile phone set using Chinese standards signed a letter of intent on Sunday with a telecommunications company on commercialization of the product.

Under the deal, the Chongqing Institute of Posts and Telecommunications, the developer, and China Putian Corp, the country's largest telecom equipment supplier, will jointly set up a production base in Chongqing Municipality, southwest China, for manufacturing TD-SCDMA 3G mobile phones.

They will produce the first batch of 3G mobile phones in the first quarter of 2004 for network experiments, and commercial production is expected to begin in 2005, according to the deal.

The Chongqing Institute of Posts and Telecommunications announced earlier this month they had developed the world's first 3G mobile phone set of the TD-SCDMA standard independently with all the intellectual property rights.

TD-SCDMA is the technological standard formulated by China for 3G mobile telecommunications and approved by the International Telecommunications Union of the United Nations as one of the three standards for 3G mobile phones.

The other standards are WCDMA, proposed by European companies, and CDMA 2000, by the United States. CDMA refers to code division multiple access and WCDMA is wideband CDMA.

Compared with GSM, TDMA digital mobile phones, or 2G mobile phones, and their predecessor analog mobile phones, the 3G phones are a more powerful telecommunication tool.

The 3G mobile phone is widely considered the future of mobile telecommunications, capable of providing such services as Internet webpage browsing, teleconferencing, and electronic commerce.

Chinese telecommunications giant Datang has set up an experimental network for TD-SCDMA mobile phones in Jiangbei District in Chongqing, southwest China.

(People's Daily November 17, 2003)

3G Overruns Beijing Telecom Fair
Government Sets to Fund 3G Standard
Nation Carries on 3G Testing
Health Hazard of 3G Tech
Chinese Companies Warming up for 3G
China, Japan, S.Korea Sign Arrangement on Information Cooperation
Joint Venture for 3G Development
Home-grown 3G Standard Encouraged
China's Leading Academy Sets up Mobile Communications Research Center
JV to Promote 3G Mobile Technology
Print This Page
|
Email This Page
About Us SiteMap Feedback
Copyright © China Internet Information Center. All Rights Reserved
E-mail: webmaster@china.org.cn Tel: 86-10-68326688
久久精品30_一本色道久久精品_激情综合视频_欧美日韩一区二区高清_好看的av在线不卡观看_国产自产精品_91久久黄色_午夜亚洲福利_欧美黄在线观看_国内自拍一区
色88888久久久久久影院野外| 激情久久久久久久久久久久久久久久| 丝袜亚洲另类丝袜在线| 国产麻豆精品久久一二三| 欧美日韩视频| 在线免费观看不卡av| 久久久一区二区| 午夜精品免费在线| eeuss鲁片一区二区三区在线看| 日韩午夜精品| 日韩女优电影在线观看| 一区二区三区四区不卡视频| 国产中文字幕精品| 亚洲作爱视频| 久久综合九色综合97婷婷 | kk眼镜猥琐国模调教系列一区二区 | 欧美一区=区| 久久久国际精品| 久久99精品国产.久久久久 | 亚洲午夜私人影院| 色综合天天狠狠| 91精品中文字幕一区二区三区 | 欧美视频一区二区| 亚洲欧美日韩在线| av电影一区二区| 欧美日韩一级二级| 亚洲国产精品久久艾草纯爱| 99精品视频一区二区三区| 在线精品视频小说1| 中文字幕一区二区三区视频| 国产成人丝袜美腿| 欧美三级日韩在线| 香蕉成人啪国产精品视频综合网| 欧美日韩天天操| 2021久久国产精品不只是精品| 蜜臀av一区二区| 国产精品女主播一区二区三区| 亚洲国产精品高清| 91视频在线看| 2020国产精品久久精品美国| 精品影院一区二区久久久| 免费在线成人av| 亚洲一本大道在线| 亚洲精品久久久久久一区二区| 欧美国产一区二区在线观看 | 国产日韩欧美在线一区| 成人综合日日夜夜| 在线成人免费视频| 久久69国产一区二区蜜臀| 美女被久久久| 亚洲一二三四区| 99av国产精品欲麻豆| 成人免费一区二区三区在线观看| 91浏览器在线视频| 久久精品亚洲精品国产欧美| 成人中文字幕在线| 欧美一区在线视频| 国产成人无遮挡在线视频| 欧美日韩一二区| 国产一区999| 欧美一区二区三级| 国产精品91一区二区| 久久综合福利| 日本视频在线一区| 欧美性猛交xxxxxx富婆| 激情国产一区二区 | 女人色偷偷aa久久天堂| 国产农村妇女精品| 亚洲精品色图| 亚洲国产精品一区二区尤物区| 亚洲一区二区三区色| 午夜免费久久看| 欧美视频一区二| 国产乱国产乱300精品| 欧美一区二区三区日韩视频| 不卡视频一二三| 日本一二三四高清不卡| 亚洲国产精品日韩| 天堂蜜桃91精品| 在线精品视频小说1| 国产一区二区三区最好精华液| 欧美一区永久视频免费观看| 99久久国产综合精品女不卡| 国产欧美一区二区精品性色| 在线看片成人| 天天综合天天综合色| 欧美日韩另类国产亚洲欧美一级| 粉嫩蜜臀av国产精品网站| 欧美精品一区二区三区蜜桃| 欧美特黄视频| 五月婷婷综合在线| 91麻豆精品国产91久久久使用方法 | 在线看日本不卡| 91在线免费看| 一卡二卡欧美日韩| 欧美视频一区二| 女生裸体视频一区二区三区| 亚洲一区在线观看视频| 欧美日韩成人在线一区| 97精品国产97久久久久久久久久久久 | 国产高清精品在线| 最新热久久免费视频| 久久性天堂网| 成人激情综合网站| 亚洲免费观看视频| 欧美日韩国产成人在线91| 色综合一区二区| 奇米影视一区二区三区小说| 久久久久久久性| 久久综合九色综合久99| 成人av手机在线观看| 夜夜嗨av一区二区三区网页| 3d动漫精品啪啪一区二区竹菊 | 亚洲一区自拍偷拍| 精品久久久久久久久久久久久久久| 欧美体内she精视频在线观看| 日本伊人色综合网| 久久精品视频在线看| 久久久久久久尹人综合网亚洲| 国产精品资源在线| 中文字幕日韩一区二区| 精品视频999| 亚洲国产日韩欧美| 国v精品久久久网| 亚洲愉拍自拍另类高清精品| 精品成人一区二区三区四区| 日本韩国欧美国产| 一区在线观看| 成人小视频在线| 青草国产精品久久久久久| 国产目拍亚洲精品99久久精品 | 99在线精品视频| 九色porny丨国产精品| 亚洲色图一区二区三区| 欧美v国产在线一区二区三区| 色综合久久久久久久久| 韩国一区二区三区美女美女秀| 国产精品亚洲一区二区三区在线| 亚洲一区中文日韩| 国产精品久线观看视频| 日韩免费观看2025年上映的电影| 老牛国产精品一区的观看方式| 欧美午夜在线视频| 成a人片亚洲日本久久| 激情久久久久久久久久久久久久久久| 亚洲黄色av一区| 国产精品福利一区| 26uuu国产电影一区二区| 欧美乱熟臀69xxxxxx| 美女黄网久久| 中日韩在线视频| 国产精品红桃| 欧美一区国产一区| 成人av片在线观看| 大美女一区二区三区| 久久99久久99| 日本不卡的三区四区五区| 亚洲一级二级三级| 曰韩精品一区二区| 亚洲黄色av一区| 亚洲精品国产一区二区三区四区在线| 国产精品剧情在线亚洲| 国产女主播一区| 国产欧美日韩亚州综合 | 91久久亚洲| 黄色日韩在线| 亚洲国产一区二区精品专区| 欧美1级日本1级| 欧美一区二区三区久久精品| 成人av资源网站| 99免费精品在线| 99国产精品99久久久久久| 波多野结衣精品在线| 成人动漫视频在线| 99久久er热在这里只有精品66| 丁香桃色午夜亚洲一区二区三区| 国产91精品在线观看| 成人亚洲一区二区一| aaa欧美日韩| 欧美三级在线| 国产视频一区三区| 久久最新视频| 欧美日本精品一区二区三区| 欧美男男青年gay1069videost | 欧美激情91| 在线日本成人| 久久中文在线| 91精品欧美福利在线观看| 日韩色视频在线观看| 精品成人一区二区三区| 亚洲色图欧美偷拍| 亚洲国产一区二区在线播放| 亚洲一区二区三区四区五区黄| 五月综合激情网| 激情久久五月天| 午夜精品电影| 国产精品免费一区二区三区在线观看| 久久夜色精品| 欧美一级日韩免费不卡| 久久久久久久免费视频了|