block data 中文意思是什麼

block data 解釋
塊數據
  • block : n 1 片，塊，大塊；粗料，毛料；木料；石料；金屬塊；【建築】塊料，砌塊；【地質學；地理學】地塊。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...
  1. Data encryption standard cipher block chaining packet encryption

    數據加密標準密碼分組鏈接分組加密
  2. Class use a chaining mode called cipher block chaining, which requires a key and an initialization vector to perform cryptographic transformations on data

    類派生的類使用一種稱為密碼塊鏈接（ cbc ）的鏈接模式，該鏈接模式需要密鑰和初始化向量才能執行數據的加密轉換。
  3. The block cipher classes provided in the base class library use a chaining mode called cipher block chaining, which uses a key and an initialization vector to perform cryptographic transformations on data

    基類庫中提供的塊密碼類使用稱作密碼塊鏈（ cbc ）的鏈模式，它使用一個密鑰和一個初始化向量（ iv ）對數據執行加密轉換。
  4. Block relaxation algorithms in statistics. information systems and data analysis, bock h h, lenski w, richter m m eds.,

    為快速求解這一優化問題，本文給出了一種基於凸性邊界條件判別的塊鬆弛迭代演算法。
  5. You can choose different encipher algorithms according to requirement. aes is a symmetric block cipher that can process data blocks of 128 bits, using cipher keys with lengths of 128, 192and 256 bits. because the length of block and key has been expanded, security has been enhanced

    Aes （ advancedencryptionstandard ）是fip （ federalinformationprocessingstandardspublication ）在2001年6月發布的草案，它是分組加密演算法，消息分組為128bit ，有三種密鑰長度128bit 、 192bit 、 256bit ，由於分組長度和密鑰長度加長使得安全性大大的提高，它有望成為21世紀的加密標準。
  6. The modular design such as the technical foundation, obtaining of the entity coordinates data, extending data ’ s storage and management, automatic production technology of coordinates table which were based on drawing block were emphatically studied

    基於模塊化設計技術基礎，重點研究了autocad中實體坐標數據的獲取，擴展數據的存儲與管理，基於圖塊的坐標表自動生成技術。
  7. Objectarx software kit is used for working drawing. drawing block classes are designed for drawing. when the result of the data computing is passed into painting block, the drawing block objects are created and the objects are added into system graphic database, thus the working drawing is auto _ drawn

    同樣，對繪圖程序的開發，也是先定製了一系列圖塊類，整個施工圖就由這些圖塊類構成；在類定製完畢后，將計算程序的計算結果傳入繪圖程序中，然後創建圖塊類的對象，將這些對象加入系統圖形數據庫，自動生成施工圖。
  8. In order that the recorded block of data be identified, a header and trailer are added.

    為了辨別所記錄的數據塊，還要加上頭標和尾標。
  9. The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research

    摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建模的基本原理、思路與方法， ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例，說明這一研究過程的基本步驟，包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機模擬方法選擇、地質統計特徵分析、三維隨機建模、隨機模擬預測的多解性評價。
  10. Its dsl connection is busy downloading a block of radio telescope data to be analyzed later

    它的dsl連線也忙著下載無線電望遠鏡的資料以供稍後分析。
  11. According to the program structure of ansi c, some syntax - tree - nodes are designed in front - end, including function, block, data structure, type, expression, identifier and so on. syntax tree is divided into three levels, namely program level, function level and block level, which are useful for analysis of syntax and semantic in compiler as well as transferring syntax tree into rtl. retargetable compiler mainly includes intermediate representation, machine description and interface technique between compiler and machine description

    編譯前端的實現技術包括詞法分析、語法語義分析和中間代碼生成技術等，針對ansic的程序結構，分別設計了函數、塊、數據結構、類型、表達式、標識符等語法樹結點，並將語法樹分成編譯層次、函數聲明和塊三個不同層次，使語法樹具有清晰的層次結構，有利於編譯程序的語法和語義分析，以及從語法樹到rtl中間表示的轉換。
  12. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。
  13. Interchangeable variable block data format for positioning, contouring, and contouring positioning numerically controlled machines

    定位仿形仿形定位的數控機床用可互換的可變程序塊數據格式
  14. Then the designs of modules mentioned in the scheme are discussed in detail. the main contents of the dissertation include : 1. to satisfy the need of a16 / d16 single - cycle and block data transfer capability, the method of the state machine and diagram are adopted. the arbiter, requester, interrupter, interrupter handler modules are also implemented by use of the state machine. these modules are verified theoretically by using timing simulation

    本文具體工作如下: 1 .用狀態機和電路圖的方式實現了vme總線a16 / d16單周期數據讀寫和塊傳輸功能;並用狀態機設計了vme總線請求器，總線仲裁器，中斷器和中斷處理器等，並進行了時序模擬。
  15. Direct file system access, a provision that allowing a migrated process to directly access files in the current loaction, is supported by mosix through the mosix file system ( mfs ). to make dfsa work, a single - node consistency is required, and mfs can support the requirement by caching the only block data on the file server in the cluster system, but the traditional linux cache mechanism on the file server ca n ' t provide enough buffer caches to both the local and the remote client processes

    機群文件系統提供的文件訪問效率對整個機群系統的性能有著至關重要的影響， mosix負載均衡機群系統利用搶占式進程遷移和直接文件系統訪問（ dfsa ）機制，實現了機群節點間的負載均衡和資源的協調使用， mosix機群文件系統mfs通過在服務器節點進行全局唯一的緩存實現了單一節點一致性，提供了對dfsa機制的支持。
  16. Block data from a source

    阻止源中的數據。
  17. Block data subprogram

    數據塊子程序
  18. In addition, because the literal block data is stored in memory, little or no massaging of the in - memory data is required before writing it to disk, greatly reducing cpu overhead

    此外，因為文字塊數據存儲在內存中，這些內存數據在寫到磁盤之前，不必或只需作很少更改，大大減少了cpu開銷。
  19. The main works are as following : 1. in view of the large quantity of data obtained from optical measurement equipments, we put forward the idea of mass data process system framework, which is data realm division first and then block data compression according it, we establish conceptual framework base on that, and design system structure, data stream

    主要工作如下: 1 、針對光學測量設備得到的測量數據具有數據量巨大的特點，本文提出了先採用數據區域劃分，再對各劃分后的數據按區域壓縮的海量數據處理系統框架設計思路，建立了總體框架，設計了系統結構、數據流。
  20. What ' s more, with fundamental research, the following solutions were put forward : database connectivity technology, which can help to implement this system which works in client / server mode, the way of using ole ( object linking and embedding ) to solve the storage and retrieval problems of blob ( binary large object block ) data type and the method of directly giving the database system ' s operating purviews to right users with the application of dbms ' s authentication mechanism, which help to control database ' s access

    這些關鍵技術包括數據庫連接技術，以實現客戶/服務器模式下的數據庫開發；用ole技術解決大文本數據存取問題；結合dbms自身鑒別機制，將數據庫系統權限賦予用戶，以控制用戶對數據的訪問。最後，本文對南京物流公司管理信息系統的開發工作進行了總結，並展望了開發運輸類公司mis的發展方向。
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