trunk communication 中文意思是什麼

trunk communication 解釋
干線通信
  • trunk : n 1 樹干 （opp branch）; 軀干，身軀。2 本體，主要部分；（河的）主流；（鐵道等的）干線；大血管，大...
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  1. Welcome the era of police digital trunk communication

    未雨綢繆迎接公安數字集群時代的到來
  2. Should all automatic observing systems fail, essential meteorological elements will be measured manually on site and reported to amo for onward transmission to air traffic control every half an hour via trunk mobile radio or other available radio communication means such as mobile phones

    倘若所有自動觀測系統失靈，必須的氣象資料可用人手量度，再報給機場氣象所，然後每半小時經由集群無線電通話系統或其他無線電通訊渠道例如行動電話，發送給航空交通管制塔。
  3. Chongqing expressway networking toll data communication network cotains 2 - ring and 8 - ray network structure based on expressway physical structure, setting up a trasmission trunk layer of sdh stm - 4 ( can be up - graded to stm - 16 ), and channel protection business entry layer consisting of sdh onu / olt stm - 1 ( can be up - graded to stm - 4 ). data exchange layer, through ip route exchange network above sdh network, forms 3 - level computer network structure of account settlement center - road section management company - toll station. to ensure obtaining original and reliable toll data from communication network, 2m circuitous chain is established between each toll station, accountsettlement center and road section management company, and also pstn dialing backup chain is set up between toll station and account settlement center. in order to maintain clock synchronization of the whole communication network, a proposal of sub - stage clock sychrononization signal network for differet network construction scale has been put forward in this design. in view of sensitivity and importance of toll data, this design particularly gives considerations of network safety and information safety for external and internel of network. therefore, communication safety, smoothness and reliability of networking toll system can be able to maintained in many ways

    重慶高速公路聯網收費數據通信網的結構是根據高速公路的物理結構構築了2環8射的網狀結構，建立了以sdhstm - 4 （可升級到stm - 16 ）的傳輸主幹層，以sdhonu / oltstm - 1 （可升級到stm - 4 ）組成的通道保護業務接入層。數據的交換層是在sdh網之上的ip路由交換網，形成了結算中心-路段管理公司-收費站之間的3級計算機網路結構。為從通信網路上保證收費數據的原始性和可靠性，每個收費站和結算中心、路段管理公司之間建立了2m迂迴鏈路，同時在收費站和結算中心之間建立了pstn的撥號備份鏈路。
  4. Optimizing 350m trunk communication network used of optical fiber bi - directional amplifier system

    利用光纖直放站優化350兆集群通信網路
  5. With the determination of location, size, and boundaries should therefore be associated the duty of arranging new trunk routes of communication between it and the distant parts of the town existing and forecasted

    那麼，公園的位置，大小以及邊界就將關繫到城鎮的新的幹道的建設，這些新的道路將用來連接公園和城鎮中現有的或者未來的邊遠的部分。
  6. For long - haul high bit rate trunk line optical fiber communication system and metro optical fiber network, a semiconductor optical amplifier ( soa ) is the most promising component due to its all kinds of properties and small dimension, compactiveness, low drive voltage, such as in optical network solutions, polarization - insensitive semiconductor optical amplifier ( pisoa ) is a popular candidate as optical gates. but the polarization - insensitivity over large wavelength range is requested. the purpose of this thesis is to develop a soa which is polarization - insensitive and has large 3db bandwidth

    隨著寬帶傳輸和寬帶接入以及全光網的組建和發展，大帶寬偏振不靈敏半導體光放大器（ semiconductoropticalamplifier ， soa ）由於其易於與其它器件集成，體積小，具有快的動態增益響應，非線性好，飽和輸出大，可實現無損操作等特點，在光通信網路中，成為光纖通信發展，全光網組建以及wdm 、 tdm技術成熟的關鍵部件之一，其中偏振不靈敏和大的3db帶寬是性能優良soa的重要指標，也是制備的技術難點。
  7. Ensuring and standardizing digital trunk communication

    公安數字集群標準的特點和主要內容
  8. Nowadays, the wide application of optical fibers in backbone networks have made a great breakthrough in the throughput of the trunk networks, and comparatively, the traditional analogous and narrow band access networks have become the bottleneck for the development of the communication networks

    目前，主幹網已大步邁向寬帶化和數字化，相比起來，原來模擬的，窄帶用戶環路就成了整個通信網路發展的一大障礙，因此寬帶接入技術的研究和寬帶接入網的實現成了當前通信領域的一大熱點。
  9. In the manufacture of communication equipment, we shall further raise the proportion of homemade products in the newly added fixed switching devices ( 99 % ) ; we shall lay emphasis on the science research for development of equipment of mobile communication and optical communication equipment and try to raise the proportion of independent intellectual property rights so as to make homemade equipment take the leading position in the domestic market and let the market proportion of newly installed equipment exceed 50 % and 30 % ( for the trunk network ) respectively ; we shall basically let the low - end equipment and border equipment of the data communication network be homemade products, and quicken our steps in nationalization of the core equipment ( the backbone atm switchboard and the high - bit routing device ) on the basis of introduction, digestion and assimilation of foreign advanced technology

    對于通信設備製造業，將進一步擴大新增固定交換設備國產化的比例（ 99 % ） ；將重點加強移動通信和光通信設備的科研開發力度，努力擴大自主知識產權的比例，使國產化設備在國內市場中佔主導地位，新增設備市場佔有率分別超過50 %和30 % （骨幹網）以上；基本實現數據通信網路低端設備和邊緣設備國產化，在引進、消化、吸收國外先進技術的基礎上，加快骨幹核心設備（骨幹atm交換機、高比特路由器）的國產化步伐。
  10. Talking about the implemetation of roaring network for trunk communication system

    淺談實現無線集群系統漫遊聯網
  11. The communicative technology which is represented by the net of computer causes the birth of integrated marketing communication ( imc ), and its prompt and further development. this article studies and analyses the theory of the imc during the analyzing process, the marketing theory and its studying method are the trunk while the sociology, psychology and dispersion, are also mentioned

    本文對整合營銷傳播理論進行了探討，在探討過程中，以營銷學理論和研究方法為主幹，同時結合社會學、心理學、傳播學的一些知識，對整合營銷傳播的有關問題進行了初步的探索。
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