public data network 中文意思是什麼

public data network 解釋
公共數據網路
  • public : adj （opp private）1 公共的，公眾的，公用的；人民的，社會的，國家的；政府的，公營的，公立的。2 （...
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • network : n. 1. 網眼織物。2. （鐵路、河道等的）網狀系統，網狀組織，廣播網，電視網，廣播[電視]聯播公司。3. 【無線電】網路，電路。4. 【計算機】電腦網路，網。
  1. Packet assembly disassembly facility in a public data network

    公用數據網中的分組裝拆pad設施
  2. The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network

    文章主要分為三部分：第一部分論述了微小信號的檢測方法，主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎損耗效應及光纖應力傳感器的研製；第二部分重點講述了智能光電檢測系統的研製，主要講述了微弱光電信號調理電路的設計及由前（后）向通道、單片機、 led 、人機介面、通信介面等組成的智能光電系統的軟硬體的具體設計；第三部分為檢測系統的網路通信部分，具體闡述了單片機系統間的組網技術、單片機和modem之間的通信及通過現有的公用電話網路實現遠程監控的技術，實現現場檢測系統與橋梁測控中心的數據交換。
  3. Aiming at the demand for the wireless data transmission using the public mobile network and the need of the wireless meter reading system, the gprs ( general package radio system ) wireless data transmission terminal used as the wireless channel for data transmission was designed and applied to the wireless meter reading system

    本文針對目前利用公網進行數據通信的需要，以及無線抄表系統的需求，設計了該gprs無線數據傳輸終端，用作無線數據傳輸的通道，並最終實現了該gprs無線數據傳輸終端在無線抄表（電表）系統中的應用。
  4. We got the spatial distribution map of population density by spatial interpolation, in which the population data are distributed on the grids. the results of the distribution of interpolated based on gis is closed to a real population distribution. the combination of the spatial interactive models and a shortest path algorithm for public transit network is analyzed by supermarket ' s accessibility based on pedestrianism and public transit. this methods may be used to investigate potential supermarket ' s locations. the quantitative analysis about the supermarket ' s market area is realized based on trade mode of lashmanan and hansen, which mainly includes spatial distribution of population, traffic accessibility and free competition between different firms

    文中應用空間內插技術實現了人口數據空間分佈化，將人口數據通過空間插值分佈於研究區域內，使人口空間分佈更接近實際；應用公交最短路徑演算法及空間相互作用模型實現了基於步行和公交出行的超市可達性，將交通對超市選址的影響定量化，方便了方案的比選；在綜合考慮人口空間分佈、超市交通可達性、現有零售商業競爭態勢的基礎上，基於拉、漢購物模式實現了超市商圈定量分析。
  5. Network - to - network interface between public data networks providing the frame relay data transmission service

    提供幀中繼數據傳輸業務的公用數據網之間的網路?網路介面
  6. Enterprises under pressure to cut costs - - while simultaneously increasing network capabilities - - can extend the reach of their private networks by linking with public data networks

    受到降低成本壓力、同時要求增加網路功能的企業，通過與公共數據網相連，能擴大其專用網的范圍。
  7. Have data when upgrading, led display screen control and show by controller. do not need to connect with public telephone network

    如果沒有數據更新時， led顯示屏由內部的控制器控制顯示，不需要與公共電話網路連接。
  8. Circuit switched public data network, cspdn

    電路交換公用數據網
  9. Circuit - switched public data network cspdn

    電路交換公共數據網
  10. Circuittched public data network cspdn

    線路交換公眾數據網路
  11. Packet switched public data network, pspdn

    包交換公用數據網
  12. Packettched public data network pspdn

    分封交換公眾數據網路
  13. Pspdn : packet switched public data network

    公眾分組交換網
  14. Public data network, pdn

    公用數據網路
  15. Pfm public data network

    公用數據網
  16. Telecom : the county has developed public data communication service such as mobile phone, wireless paging, fax communication, internet, and broadband network

    電信：移動電話、傳真通信、網際網路、寬帶網等公用數據通信業務發達。
  17. Pdn public data network

    公用數據網
  18. Then referring to the distribution projects of ip address in existing gprs network, the author analyzed and compared relative merits of deferent projects and brought up a new project : because both chinese gprs network and exterior data network are actually the same physical network, considering the gprs network security which is ensured by invisibility relative to exterior network, gprs network facilities try their best to employ private address in order to detach logically gprs core - net from exterior network through packet filtration of firewall and router ; because of the deficiency of public ip address recourses, the employment of public ip address should be minimized

    隨后參照現有gprs網路ip地址的分配方案，通過分析、比較各種方案的優缺點，提出了一個新的分配方案：由於中國gprs網路和外部數據網合二為一的現實，出於對安全性的考慮，網路設備盡量採用私有地址，通過防火墻和路由器進行包過濾，使gprs核心網在邏輯上與外部網路分開，使其對外部網路不可見以保證gprs的網路安全性；同時，由於公有ip地址資源不足，盡可能地減少用戶對公有ip地址的佔用。
  19. Pdn : public data network

    公用數據網
  20. Layer 2 tunneling is a technique which forwards layer 2 protocol data units ( pdus ), especially ppp, through a data transfer tunnel established on top of public data network services, so as to provide a means for setting up layer 2 virtual " leased links ". for its convenience and cost effectiveness, it has become a popular technology for setting up intranets for geographically dispersed enterprises

    第二層隧道協議（ layer2tunnelingprotocol ）作為借用公用數據網建立公用隧道在遠程用戶之間提供對第二層協議（特別是使用極廣的點到點協議（ ppp ） ）進行中繼，提供實現遠程專用虛鏈路的技術，近年來受到廣泛的重視，並逐漸成為建立安全的跨地域虛擬專用網路（ vpn ）的重要手段之一。
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