時空數據庫 的英文怎麼說

中文拼音 [shíkōngshǔjùkù]
時空數據庫 英文
spatial-temporal database
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 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...
  • 時空 : space time:[相對] space time continuum時空點 event; 時空度量 space time metric; 時空反演 space ti...
  • 數據庫 : data bank; data base; data pool; data library數據庫管理系統 data base management system; 數據庫計...
  • 數據 : data; record; information
  1. Software part want function that realize : through interrupt service routine gather and come out regularly ecg signal, store among computer in the form of the binary scale ; data compress programme should realize to ecg signal pretreatment and compress of signal, narrow the storing amount of the data, save the space ; case information management system realize patient information and heart telecommunication file of interest, keep and in the data base, can show the ecg signal wave form at the screen of the computer directly data that gather. and has offered and type and report the single function

    軟體部分所要實現的功能為：通過中斷服務程序把心電信號定時採集出來，以二進制的形式存儲在計算機中；數據壓縮程序應實現對心電信號的預處理和壓縮，縮小數據存儲量，節省空間；病例信息管理系統實現患者個人信息和心電信息的存檔，把採集的數據保存作數據庫中，能夠將心電波形直接顯示在計算機屏幕上，並提供列印報告單的功能。
  2. At design time, some actions, like dragging a database table from a data window onto a blank form, will create the

    在設計時，某些操作（如將數據庫表從數據窗口拖動到空白窗體）將創建
  3. The paper is mainly based on geography, ecology, sight ecology, region location theory and system theory. by interpreting the mss remote sensing image of 1970s and the tm remote sensing image of 1980s and the end of 1990s in keerqin sandlot based on background database and expert information, we have achieved the three periods vector data of land desertification of the research area, then we have disposed the data property by using the powerful spatial analysis function of arc / info and achieved the information extraction and analysis supported by arcview and erdas imagine. thus the rule of temporal and spatial variation of land desertification in keerqin sandlot is researched and the blueprint and countermeasures of the prevention and treatment of land desertification in keerqin sandlot are put forward

    本研究主要以地理學、生態學、景觀生態學、區位論和系統論為主要理論支持，通過對科爾沁地區20世紀70年代的mss遙感影像、 20世紀80年代和90年代末tm遙感影像進行基於背景數據庫和專家知識的解譯，獲得科爾沁研究區土地沙漠化的三期矢量數據，利用arc / info軟體強大的空間分析功能對屬性進行處理，並在arcview 、 erdasimagine軟體的支持下進行信息提取與分析，研究了科爾沁沙地土地沙漠化時空變化的規律，提出了科爾沁沙地土地沙漠化防治的構想與對策。
  4. In addition, comparing to direct using fp _ growth algorithms, this algorithm has no need to expand negative item to original database, and construc or destruct additional data structures, which only make some changes on the original frequent pattern tree, so it has certain advantages in time and space costs

    除此之外，該演算法與直接使用fp _ growth演算法挖掘含負項目的頻繁項集演算法相比，無需對原始數據庫進行負項目的擴展，也不用再構造並銷毀額外的數據結構，只需在原始的頻繁模式樹上修改，在時間和空間的開銷上都具有一定的優勢。
  5. In this study, the model emphasizes particularly on time series of geological entity and at the same time it realizes the integration of the spatial model and the attributive model by integrating complicated spatial and attributive character of forest resources. program is realized by matlab. the ann toolbox of matlab established many tool functions based on ann theory

    本項研究中，基於gis的神經網路預測模型主要側重的是地理實體數量時間結構序列，模型結合森林資源復雜的空間和屬性特徵，不僅使用了gis關系數據庫中的屬性時間序列值，同時也使用了一定的空間模型，實現了空間模型與屬性模型的有效結z 、口0在程序的實現上採用m八tlab開發環境，其中的神經網路工具箱以人工神經網路理論為基礎，構造了網路分析和設計的許多工具函數。
  6. In addition, it puts forward a nested temporal db, which, with stronger expressive ability than others, is a breakthrough to entity - relationship model and is referred to as nter model. it also verifies the expressive ability of nter when it is applied to sidss. finally, in view of the features of sidss and the current status of salary distribution system, it conducts initial study of the sidss based on temporal - spatial relationship and the sidss with a temporally - driven knowledge database, with the aim for us to develop a consummate sidss system in the future

    本文中，介紹了時態數據庫的基本概念、發展、特點和分類；結合sidss的背景、特色及體系結構，詳細討論了sidss的時態性及其數學模型，指出將時態數據庫應用到sidss並作進一步的研究是必然趨勢，並在此基礎上研究了時態數據庫系統的模型；在探討了幾種模型之後，打破實體-關系類的模型的框框，提出了一個表達能力較強的嵌套時態數據模型，稱之為nter模型（ nestedtemporalentity - relationshipmodel ） ，並驗證將其應用到sidss系統中的表達能力；最後針對sidss的特點以及目前工資管理系統的狀況，進一步對基於時空關系的sidss系統、由時態驅動知識庫的sidss系統進行初步探討，以期今後對開發更完善的引） ss系統作進一步的研究。
  7. Spatio - temporal databases manage spatial objects that change positions and / or extents over time, spatio - temporal index method is one of the key technologies in spatio - temporal database management system

    時空數據庫是存儲、管理隨時間變化，其空間位置和/或范圍也發生變化的時空對象的數據庫系統，時空索引技術是時空數據庫管理系統的關鍵技術之一。
  8. In order to improve the efficiency of spatio - temporal data access, spatio - temporal index mechanisms should considers both characteristics of spatial and temporal and combines both access methods of spatial and temporal

    時空索引技術是空間索引技術和時間索引技術的結合，它必須兼顧了時空對象的空間特性和時間特性，才能有效地提高時空數據庫的存取效率。
  9. In the first place, the paper briefly discusses issues related to the main index mechanisms in spatial and temporal, studies the access methods of spatio - temporal databases which has been presented. furthermore, the paper explains the storage mechanisms in stadbs ( spatio - temporal analysis database system ) and presents a hr - tree index structure based on main memory to realize the index mechanism of stadbs, it ' s main technologies were discussed in detail. lastly, a visual demo of hr - tree based on main memory was introduced in this paper

    本文在分析討論了主要的空間和時間索引技術的基礎上，研究、分析了時空數據的存取方法，對已提出的時空索引技術進行了分類、比較；根據時空分析數據庫stadbs存儲機制的特點，採用基於主存的hr -樹作為stadbs時空數據的索引結構，設計與實現了stadbs的時空存取方法，論文對stadbs時空索引機制的設計與實現作了較詳細的介紹，同時闡述了基於主存的hr -樹可視化演示程序的主要實現方法。
  10. Finally, an interface of the visual editor for stadbs is presented

    最後給出了stadbs系統中時空數據庫可視化編輯器的操作界面。
  11. The spatio - temporal analysis operations are important functions of spatio - temporal database

    時空分析操作是時空數據庫的重要功能。
  12. The implementation of spatio - temporal database system is based on spatio - temporal data modeling

    時空數據建模是實現時空數據庫系統的基礎。
  13. The spatio - temporal analysis operations are one of the most important functions in spatio - temporal databases

    時空分析操作是時空數據庫的重要功能。
  14. Spatio - temporal data model is the kernel of spatio - temporal database, namely moving object database, and it ' s the basis of the other components such as spatio - temporal query

    時空數據模型是時空數據庫（也稱移動對象數據庫）的核心，是時空查詢等其它數據庫組成部分的基礎。
  15. Using esri arcgis 8. 3 and microsoft access, the physical database is implemented and all the socio - economic data of henan province ( 2000 - 2005 ) are transformed into the database

    然後，使用esriarcgis8 . 3軟體和microsoftaccess數據庫，實現了基於個人geodatabase的統計時空數據庫。
  16. This paper discusses the development of spatio - temporal data modeling in the spatio - temporal database and designes the two - level avl - tree spatio - temporal data model based on realms for spatio - temporal database system - stadbsii

    本文討論了時空數據庫中時空建模技術的發展過程，同時為時空分析數據庫系統stadbsii設計了基於realms的二級平衡二叉樹模型。
  17. The key definitions of spatio - temporal data modeling are summarized and the requirements of spatio - temporal database community, including temporal semantics, spatial semantics, spatio - temporal semantics and query capabilities are specified

    摘要闡述了時空數據建模的主要定義，分析了時空數據庫領域的建模需求，包括時態語義、空間語義、時空語義和查詢能力。
  18. Stadbs employs the technique of main memory database based on file - memory mapping to implement the management of complex - structured spatio - temporal data

    Stadbs中採用了文件內存映射的主存數據庫技術，來實現結構復雜的時空數據的存儲管理。
  19. Spatial - temporal data modeling based on ordbms

    基於對象關系數據庫的時空數據模型研究
  20. Type system is an efficient approach for data modeling, where a database is viewed as a collection of object classes ; these classes and their behavior are captured by adts ; objects may or may not have aspects of spatio - ternporal data types

    類型系統是一種有效的數據建模方法，它將數據庫看作對象的集合，每一類對象及其行為用一種抽象數據類型（ adt ）來描述，對象可以具有時空數據類型的屬性。
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