數據存取協議 的英文怎麼說

中文拼音 [shǔcúnxié]
數據存取協議 英文
dadata access protocol
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : 動詞1 (存在; 生存) exist; live; survive 2 (儲存; 保存) store; keep 3 (蓄積; 聚集) accumulat...
  • : Ⅰ動詞1 (拿到身邊) take; get; fetch 2 (得到; 招致) aim at; seek 3 (採取; 選取) adopt; assume...
  • : Ⅰ形容詞(共同) joint; common Ⅱ動詞(協助) assist; help; aid
  • : Ⅰ名詞(意見; 言論) opinion; view Ⅱ動詞(商議) discuss; exchange views on; talk over
  • 數據 : data; record; information
  1. The article points out the importance and necessity of the information - security from its actuality in our country. the resources in the information system, for instance, hardware, software, data, document, operator, meterial and so on, are evaluated and gived safety grade firstly. and then, it analyses the menace including the nonauthorized access, the information leak, the refused sevice, the internal objection which the system will take. the following are the corresponding control police : confirm the users " rights and duties, including the mode of using account, the limit of accessing resource, the application of password, the building of backup ; confirm the administrators " right and duties, including physical safety, system configuration, account configuration and usufruct, password management, audit and control, backup and individual intimity ; run - of - mill measure of security defence, including access control, symbol and identification, integrality control, password technique, firewall system, audit and resumption, safety of operating system, safety of database system, defence of computers " virus and resisting - deny protocol. in the end, the article offers the strategies of disposing the safety - accident and analyse after ithow. to report it, how to solve it in phase, and how to avoid it happening again. in a word, the article presents a holistic resolvent about keeping away the information system ' s security, and supplies a essential frame for its configuration, management and application

    然後,對系統可能受到的威脅,包括非授權訪問、信息泄漏、拒絕服務和內部缺陷等進行分析,並提出了相應的控制策略:確定用戶的權力和責任,包括帳戶使用方式、資源訪問權限、口令應用以及建立備份等;確定系統管理員的權力和責任,包括物理安全、系統配置、帳戶設置及使用權限、口令管理、審計和監控、備份以及個人隱私等方面;一般性的安全防護措施:控制、標識和認證、完整性控制、密碼技術、防火墻系統、審計和恢復、操作系統安全、庫系統安全、計算機病毒防護和抗抵賴等。最後,對事故處理和事後分析提供策略,如何報告安全事故,如何調解決安全事故,如何避免安全事故再次發生。總之,本文對信息系統安全防範工作給出一個整體的解決方案,為其在配置、管理和應用方面提供了基本的框架。
  2. 3. as there are up to 106 managed objects on element level of tmn ( telecommunications management network ) in telecommunications network, and the scheme to collect management information affects the performance of network management, a new algorithm - saa ( self - adaptive algorithm ) used for retrieving multi objects information has been put forward in this thesis. saa can adjust the retrieving objects and interval of retrieval self - adaptively by using the schemes of self - adaptivity, fault tolerance, recognition status of object dynamically etc., and thus can use fewer network resources without alteration of snmp ( simple network management protocol ), iiop ( internet inter - operability protocol ) or cmip ( common management information protocol )

    針對傳統的定時提網路管理信息方法的不足,提出了一種提多管理對象信息的新演算法? ?自適應演算法saa ( self - adaptivealgorithm ) ,該演算法能在不改變管理,如iiop ( internetinter - operabilityprotocol ) 、 snmp或cmip ( commonmanagementinformationprotocol ,公共管理信息)的情況下,採用自適應策略、容錯策略、動態識別被管對象狀態策略、被管對象儲空間的動態刷新策略,根本次訪問被管國防科學技術大學研究生院學位論文對象所得出的網路通信量,自適應地調整下次應該訪問的被管對象和讀被管劉?象的時間間隔,從而可以較少地消耗所用的網路帶寬和cpu資源。
  3. Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect

    針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀,研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程,包括硬體系統、軟體系統的設計及實現,重點介紹了plc通信,監控器的基本工作原理以及期望實現的功能,監控器電源電路、 sram儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入,時鐘信息的設定與讀, cpu液晶顯示器指令系統,信息畫面及標簽結構的定義及顯示方法, cpu內部資源的分配,監控器與plc通信的軟體實現,文件格式的定義以及畫面的下載等。 plc監控器彌補了plc一些方面的不足,可以擴大plc的應用范圍,提升機械設備的檔次,增加設備的附加價值,具有一定的市場前景。
  4. Lightweight data access protocol

    簡易數據存取協議
  5. The set of security services offered includes access control, connectionless integrity, data origin authentication, protection against replays, confidentiality, and limited traffic flow confidentiality

    Ipsec提供的安全服務集包括控制、無連接的完整性、源鑒別、反重放攻擊、機密性和有限的通信量的機密性。
  6. It solves payment issue through sharing pos and brush card. it solves info sharing and exchanging problem by enterprise application integration it adopts research method of software engineering and uses touch - screen, network, database technology and so on to carry through total design of the system and build the software : it uses user status identify and responsibility control to ensure database and application program ' s security ; it strengthen the code by coding optimize ; it captures and discards application runtime error to enhance the system ' s stability ; it uses multimedia voice and moving picture to show help information, thus makes the system easy to use ; it greatly reduces the maintenance work of the system by self - updating function ; it is an opening system by using star - model network top structure, supporting standard network communication protocol ? tcp / ip and offering standard software interfaced criterion

    論文採用軟體工程的研究方法,使用觸摸屏、網路、庫等技術,進行了系統總體方案設計和軟體開發:通過對庫和應用程序的用戶身份識別和權限控制,保證和應用程序的安全性;通過對代碼進行優化提高了代碼的健壯性;通過捕捉並拋出系統運行時的異常錯誤提高了系統的穩定性;通過多媒體語音、圖形和動畫提示幫助信息來增強系統的易用性;客戶端程序自動升級功能提高了系統的可維護性,有效地減少了維護工作量;系統採用星型的網路拓撲結構,支持標準的tcp ip網路通訊和規范的軟體介面標準,具有良好的開放性。
  7. It becomes more difficult to manage, integrate and share the control system real - time data when we set up the industrial real - time database because of complicated affair between every department and isomeric character of the system. a three - level - structure model and the method to establish database is provided based on corba criterion with its character of being regardless of programming languages, hardware platform and network protocol. a universal real - time database faces multi - system is also set up by learning the distributed criterion, it can realize the request broker, and the application software can visit the database pellucidly ; thus the power station simulation model can be linked with the control system such as infi90, ovation and be made use of the control object, a closed simulation and control experiment system is set up

    在創建工控領域實時庫時,企業各部門間的復雜事務及內部異構性給實時的管理、集成和共享帶來了一定的困難,根corba規范具有語言無關性、平臺無關性和網路無關性的特點提出基於分散式計算規范corba的三層體系結構模型及建立與維護實時庫的方法和途徑;通過corba規范建立面向多個分散控制系統的通用實時庫,實現訪問代理,使應用軟體可以透明地對實時庫進行訪問、、管理;將infi90 、 ovation分散控制系統與火電廠模擬機模型進行有效的互連,以全物理過程模擬學模型為對象,構建了閉環控制模擬實驗研究系統,實現的高效連通及管理;進而通過基於corba的實時庫構建一個從火電廠模擬機對象到過程式控制制設備再到sis系統的綜合自動化試驗平臺。
  8. Considered usual condition in mobile computing enviorenment, the thesis put forward a creative thought - - " more mobility on client, high capability on server ", combined that mobile database has a small capacity, connected and disconnected frequently ; memory database has short latency time, fast data accessibility ; therefore, according to syncml protocol ; based on the frame of data synchronization of heterogeneous database, built a model of rapid synchronization of heterogeneous data, using mobile database technology on client and customized memory database technology on server. through experiments, it has been proved to be a improvement of data synchronization technology, and has been applied to the mobile dispatch system of the china airdrome

    論文針對移動計算環境下的普遍應用情況,提出「在低端加強移動性,在高端提供高性能」的創新思想,結合移動庫容量小,斷接頻繁;主庫響應時間短,快的特點,遵循syncml,在移動環境下的異構同步模型架構之上,搭建起一個移動客戶端使用移動庫技術,服務器端採用定製主庫技術的異構快速同步模型,實驗表明,這是對同步技術的明顯改善。
  9. The software designed by myself can fulfill such importam woiks as creating and manipulating the product database which conform to ap216, retrieving and storing data of a 3 - dimensional ship wire model

    所開發的軟體完成了符合船舶應用ap216的產品庫的建立和操作,三維船舶線框模型的提儲。
  10. It is composed of two aspects : first, it uses the java sandbox to control the access of host resource, thus it can prevent the host resource from being accessed by agents without authority ; second, it adopts a authentication based mobile agent transfer protocol to control the transfer of agents in order to refuse the transfer request of invalid agent. thus, it can guarantee that the agent running in the host is valid, in other words, it avoids performing the illegal agent in the host. further more, it can be sure that the agent status data have n ' t been tampered or replaced in the course of transfer

    該方案主要包括兩個方面內容:一、利用java2沙箱控制主機資源的,防止主機資源被移動代理非授權訪問;二、採用一種基於證書的移動代理遷移,對移動代理的遷移過程進行控制,拒絕不合法移動代理遷移至主機的請求,確保主機上運行的移動代理具有合法身份,並且確保移動代理遷移狀態在遷移過程中不被篡改或替換。
  11. Information technology. open systems interconnection. remote database access. part 1 : generic model, service and protocol

    信息技術.開放系統互連.遠程.第1部分:通用模式服務和
  12. Telecontrol equipment and systems - telecontrol protocols compatible with iso standards and itu - t recommendations - functional profile for providing the connection - oriented transport service in end system connected via permanent access to a packet switched data network

    遙控設備和系統.與iso標準和itu - t推薦規程一致的遙控.在經由永久性與包交換網路連接的端系統中提供定向連接傳輸服務的功能界面
  13. Telecontrol equipment and systems - part 6 : telecontrol protocols compatible with iso standards and itu - t recommendations ; section 601 : functional profile for providing the connection - oriented transport service in an end system connected via permanent access to a packet switched data network

    遠程控制設備和系統.第6部分:與iso標準和itu推薦相兼容的傳輸.第601節:經過不變與包開關網路相連系統定向連接傳輸
分享友人