限定检索结果

文献类型

  • 56,568 篇 期刊文献
  • 5,151 件 标准
  • 61 册 图书
  • 56 篇 学位论文
  • 43 篇 会议

馆藏范围

  • 61,874 篇 电子文献
  • 6 种 纸本馆藏

日期分布

学科分类号

  • 11,974 篇 工学
    • 7,474 篇 电子科学与技术(可...
    • 1,637 篇 计算机科学与技术...
    • 1,519 篇 电气工程
    • 95 篇 建筑学
    • 91 篇 机械工程
    • 89 篇 土木工程
    • 81 篇 纺织科学与工程
    • 33 篇 轻工技术与工程
    • 28 篇 动力工程及工程热...
    • 27 篇 农业工程
    • 20 篇 仪器科学与技术
    • 19 篇 化学工程与技术
  • 6,217 篇 经济学
    • 4,246 篇 应用经济学
  • 1,695 篇 法学
    • 563 篇 政治学
    • 386 篇 法学
    • 173 篇 社会学
  • 743 篇 教育学
  • 648 篇 理学
    • 233 篇 物理学
    • 74 篇 数学
    • 32 篇 地理学
  • 449 篇 管理学
    • 223 篇 图书情报与档案管...
    • 208 篇 工商管理
  • 265 篇 医学
    • 77 篇 临床医学
    • 55 篇 公共卫生与预防医...
    • 19 篇 基础医学(可授医学...
  • 206 篇 历史学
    • 165 篇 世界史
    • 21 篇 中国史
  • 124 篇 艺术学
    • 87 篇 音乐与舞蹈学
  • 122 篇 文学
    • 84 篇 新闻传播学
  • 74 篇 军事学
    • 41 篇 军事装备学
  • 24 篇 农学
  • 23 篇 哲学
    • 16 篇 哲学

主题

  • 61,880 篇 telecommunicatio...
  • 4,945 篇 wireless communi...
  • 4,269 篇 communication
  • 3,377 篇 telecommunicatio...
  • 3,168 篇 systems
  • 2,775 篇 engineering
  • 2,538 篇 mobile communica...
  • 2,498 篇 networks
  • 2,488 篇 telecommunicatio...
  • 2,402 篇 technology
  • 2,359 篇 electrical
  • 2,271 篇 transmission
  • 2,128 篇 radio
  • 2,076 篇 equipment
  • 1,885 篇 telephone
  • 1,874 篇 information
  • 1,825 篇 specification
  • 1,809 篇 data
  • 1,796 篇 broadband commun...
  • 1,729 篇 consolidation & ...

机构

  • 12 篇 president, the h...
  • 10 篇 faculty of engin...
  • 10 篇 ntt telecommunic...
  • 7 篇 idg news service
  • 6 篇 faculty of scien...
  • 6 篇 fujitsu laborato...
  • 6 篇 washington
  • 5 篇 communications a...
  • 5 篇 musashino electr...
  • 5 篇 the net economy
  • 4 篇 central research...
  • 4 篇 faculty of engin...
  • 4 篇 members, musashi...
  • 3 篇 arizona state un...
  • 3 篇 chief executive ...
  • 3 篇 department of ma...
  • 3 篇 faculty of engin...
  • 3 篇 nhk science and ...
  • 2 篇 atr optical and ...
  • 2 篇 carleton univ, d...

作者

  • 502 篇 silva, jeffrey
  • 340 篇 weaver, heather ...
  • 293 篇 o''shea, dan
  • 241 篇 buckley, sean
  • 239 篇 vittore, vince
  • 230 篇 meyers, jason
  • 223 篇 wilson, carol
  • 218 篇 meyer, dan
  • 212 篇 mooney, elizabet...
  • 192 篇 engebretson, joa...
  • 187 篇 luna, lynnette
  • 184 篇 dano, mike
  • 178 篇 taaffe, joanne
  • 155 篇 mcelligott, tim
  • 153 篇 gohring, nancy
  • 144 篇 wirbel, loring
  • 128 篇 ford, tracy
  • 126 篇 lannon, larry
  • 124 篇 fitchard, kevin
  • 121 篇 mcclelland, step...

语言

  • 56,506 篇 英文
  • 5,219 篇 中文
  • 85 篇 西班牙文
  • 28 篇 法文
  • 10 篇 土耳其文
  • 7 篇 葡萄牙文
  • 6 篇 德文
  • 6 篇 俄文
  • 4 篇 其他
  • 3 篇 波兰文
  • 2 篇 日文
  • 2 篇 斯洛伐克文
  • 1 篇 立陶宛文
  • 1 篇 乌克兰文
检索条件"主题词=Telecommunication"
61880 条 记 录,以下是21-30 订阅
排序:
To Be or Not to Be Electronic Money, That's the Question
收藏 引用
Information & communications technology law 2003年 第1期12卷 49页
作者: Schudelaro, I.R.A.A.P Centre for Law Public Administration and Informatisation Tilburg University PO Box 90153 5000 LE Tilburg The Netherlands E-mail: a.a.p.schudelaro@uvt.nl View further author information
The European Electronic Money Directive contains a definition of electronic money. However, determining which systems involving the use of electronic value fall under its scope can be more complicated than one might t... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 EBSCOBSC期刊 EBSCOBSC期刊 ebsco(LISTA/lxh) ebsco(BSP/buh) 更多 评论
Bandwidth
Inter@ctive Week
收藏 引用
Inter@ctive Week 第21期4卷 31页
Presents a brief report on issues relating to the Telecommunications and computer industries. Information on a merger between Phoenix Network Incorporated and US One Communications Corporation; Expansion of Sprint Int... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 评论
Wireless Broadband On the Fast Track?
Network computing
收藏 引用
Network computing 2004年 第12期15卷 29-29页
作者: Molta, Dave
In an address to the U.S. Federal Communications Commission (FCC) Wireless Broadband Forum, chairman Michael Powell said that achieving universal broadband service by 2007 is the central communication policy objective... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 EBSCOBSC期刊 EBSCOBSC期刊 ebsco(ASP/aph) ebsco(BSP/buh) 评论
Data networks for information collection
Journal of the Market Research Society
收藏 引用
Journal of the Market Research Society 第2期33卷 107-111页
作者: Bates, Colin AT&T ISTEL
The article looks into the penetration of computer technology on the market research industry in the U.S., discussing the use of analogue line for voice services, the application of networks multi-language questionnai... 详细信息
来源: EBSCOBSC期刊 EBSCOBSC期刊 评论
Clueless about wireless
Informationweek
收藏 引用
Informationweek 第646期 12页
作者: Thompson, Rory J
Reports on the nationwide survey done for a telecom industry. Percentage of the respondents who were confused on the different types of wireless telephone options available; Ignorance of some respondents in identifyin... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 评论
No-Install Satellite Radio
PC Magazine
收藏 引用
PC Magazine 2004年 第14期23卷 39-39页
作者: Howard, Bill
The article focuses on the Delphi XM Roady2, from Delphi Corp. The company offers a complete 100-channel XM satellite receiver and stock ticker for one's car packed into a case roughly the size of an iPod music player... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 评论
Cyber-villages--new city recovery formula?
Nation''s Cities Weekly
收藏 引用
Nation''s Cities Weekly 第10期20卷 2页
作者: Peirce, Neal R
Describes the urban renewal project of designer Weiming Lu for Lowertown, a district in St. Paul, Minnesota. Attraction to companies focused on the Internet and Telecommunication industries; `Program-related investmen... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 评论
Content-a-go-go
tele.com
收藏 引用
tele.com 第21期4卷 90页
作者: Zita
Focuses on demand for the merging of Telecommunications with Web management and content delivery services in the United States. Impact of initial public offering of Akamai on local carriers; Infrastructure needed for ... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 评论
Letter from the guest editor
收藏 引用
Information Society 2000年 第2期16卷 89-90页
作者: Sawhney H. Indiana University United States
Focuses on the rationale, subsidies and beneficiaries, and politics of universal Telecommunications service. Bare essentials required by the poorest citizen to function in a society; Analysis of funding mechanisms for... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 ebsco(LISTA/lxh) ebsco(BSP/buh) T&F期刊 评论
White House Initiates Spectrum0Management Study
Electronic Design
收藏 引用
Electronic Design 2003年 第16期51卷 30页
Reports on the initiation of a spectrum-management study by the U.S. Federal Communications Commission. Aim of developing policy to improve spectrum assignment and usage; Implications of study for national and homelan... 详细信息
来源: EBSCOASC期刊 EBSCOASC期刊 ebsco(BSP/buh) ebsco(ASP/aph) 评论