wide area networks 中文意思是什麼
wide area networks
解釋
廣域網-
Wan wide area networks
泛區網路 -
He spent earlier parts of his career developing database applications and designing wide area networks
在其職業生涯的早期，他曾經從事數據庫應用程序開發和廣域網設計。 -
Wireless wide - area networks ( wwans ) are charactered by very low and variable bandwidths, very high and variable delays, significant non - congestion related loss, asymmetric uplink and downlink channels, and occasional blackouts. additionally, the majority of the latency in a wwan connection is incurred over the wireless link
無線廣域網（ wwans ）由於以下特徵而有別于有線廣域網（如internet ） ：較低並且易變的帶寬，很高且易變的延遲，與擁塞無關的數據丟失，非對稱的上行和下行通道，以及偶爾的昏眠狀態，此外，在無線廣域網上的大部分的延遲發生在無線連接部分。 -
Sending a large message in small fragments improves overall speed and reliability when communicating over relatively slow and unreliable networks such as wide - area networks wans
當通過速度相對較低和可靠性相對較差的網路（如廣域網（ wan ） ）進行通信時，使用小片段發送大消息可以改善整體速度和可靠性。 -
Multicast technology promises to enhance the capabilities of wide - area networks for supporting these applications. multicast transport mechanisms have been a topic of intense research and development efforts over the past couple of years
這就帶來了帶寬的急劇消耗和網路擁擠問題，而組播正是一種解決點到多點通信的非常有效的方式。 -
However, the performance difference between the tcp ip sockets and named pipes clients becomes apparent with slower networks, such as across wide area networks wans or dial - up networks
但是，網路速度越慢[如在廣域網（ wan ）或撥號網路上] ， tcp / ip套接字客戶端與named pipes客戶端的性能差異越明顯。 -
Provision of asynchronous transfer mode ( atm ) wide area network ( wan ) bearer services for government connecting building backbone networks and government departments to the gnet via atm wan technology
透過寬廣區域網路顯示傳輸形式，將政府辦公大屢主幹網路及各政府部門接駁至政府主幹網路。 -
Then enterprises realised that the internet could act as a cheaper and convenient alternative to corporate - built wide area networks ( wan )
此後，各企業認識到因特網可以起到既便宜又方便地取代公司已建的廣域網的作用。 -
Physically secure networks are very expensive and do not cover a wide geographic area
物理上安全的網路十分昂貴，而且並不覆蓋范圍很廣的地理區域。 -
Multicast technology promises to enhance the capabilities of wide - area networks for supporting these applications. multicast transport mechanisms have been a topic of intense research and development efforts over the past couple of years. both the internet engineering and internet research task forces ( ietf and irtf ) have been heavily involved in coordinating multicast transport protocol research, development and standardization
組播是一種高效率的點對多通信方式，在過去幾年中組播傳輸機制己經成為一個活躍的研究領域， irtf和ietf （因特網研究和工程任務小組）在組播傳輸協議研究、開發、標準化等方面作了大量的工作。 -
Wireless sensor network ( wsn ), which is made by the convergence of sensor, nested computation, networks and wireless communication technologies, is a novel technology about acquiring and processing information. it is a latest - model wireless network of infrastructureless network and can be used for testing, sensing, collecting and processing information of monitored objects. wsn is a new research area of computer science and technology and has a wide application future
集成了傳感器、嵌入式計算、網路和無線通信四大技術而形成的無線傳感器網路是一種全新的信息獲取和處理技術，它是一種新型的無基礎設施的無線網路，能夠協作地實時監測、感知和採集各種環境或監測對象的信息，並對其進行處理，傳送到需要這些信息的用戶。 -
Grid computing has recently emerged as a new format of distributed computing infrastructure. because the services and resources in wide - area networks are dynamic, heterogeneous and multi - domain, security is a critical concern in grid computing
網格計算作為一種新模式的分散式計算基礎架構，因其資源和服務的異構、動態、多域的特徵，決定了安全機制的重要性。 -
Our project has studied the key technologies of data grid, and has designed and implemented a general data grid middleware called griddaen, which can achieve uniform access, transfer and management of distributed, heterogeneous mass datasets and provide a high - performance platform for data - intensive applications and researches over wide area networks. this paper focuses on the key technologies of federated data service in data grid
本課題組對數據網格的關鍵技術進行了深入的研究，自主設計和實現了一個通用的數據網格中間件?網格數據引擎griddaen ，它能夠對分佈異構的海量數據進行統一的訪問，傳輸與管理，為廣域的數據密集型應用和研究提供高性能的支撐平臺。 -
Along with the development of wide - area networks and the increasing bandwidth available on these networks came the need for network - centric computer - aided design ( cad ) environments
隨著廣域網路的發展和網路的可利用帶寬的增長，以網路為中心的計算機輔助設計cad環境?協同建模環境越來越顯示其重要性。
分享友人