geographic data structure 中文意思是什麼

geographic data structure 解釋
地理數據結構
  • geographic : adj. 地理學的，地理的。adv. -ically
  • 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...
  • structure : n. 1. 構造，結構；組織；石理，石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】（直接經驗中顯現的）結構性，整體性；整體結構。adj. -d ,-less adj.
  1. Besides documents and numbers, processed data using the computer in electrical industry includes a large amount of graphic information such as equipment information and topology structure depending on geographic maps

    而電力行業中應用計算機處理的數據，除了文字和數字之外，還包括大量依附於地形圖的設備信息和拓撲結構等圖形信息。
  2. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上，對系統的底層數據模型進行設計，選擇了文件與成熟數據庫相結合的混合策略，併兼顧面向對象的數據庫（ oodb ）和可擴充數據庫（ edb ）的特點，建立了一個概念層次清晰、面向地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ，同時對地下管線的各種測試方法進行分析研究，建立了地下管線測量平差計算模型，並以此對所勘測的地下管線進行核算，計算結果表明，計算模型不僅大大提高了核算的速度，同時在計算精度上也符合核算的要求，是符合實際要求的關于測量平差計算的模型。
  3. Along with the development of computer network technology, it becomes an important program how to use gis ( geographic information system ) to internet / intranet, that - is webgis. webgis implements query online and job process with gis based information publication, data share and intercommunion in internet and makes enterprise users access gis data by web viewer directly, create thematic map and analyze gis data. webgis changes gis technology ' s structure from c / s to b / s

    Webgis是指在internet的信息發布、數據共享、交流協作基礎之上實現gis的在線查詢和業務處理等功能，使企業用戶能直接通過web瀏覽器對gis數據進行訪問，實現空間數據和業務數據的檢索查詢、專題圖輸出、編輯修改等gis功能，完成了gis技術從c s模式向b s模式的轉變。
  4. On the basis of analyzing the status quo and development trend of three - dimension geographic information system, the paper discusses 3d data model and data structure in detail, and combines the data characteristics of roadway, and then designs the 3d data model and data structure suiting the characteristics of the mine roadway

    本文在分析了三維地理信息系統的現狀及發展趨勢的基礎上，對二維與三維數據模型與數據結構進行了詳細地探討，然後結合礦山巷道數據的特點，設計了適合礦山巷道特點的三維數據模型與數據結構。
  5. In this dissertation a typical area was selected as a case study, which is the tuqiang forest bureau, including two forestry farms, namely, yuying and fendou, covering more than 1. 2 10s ha, it is also one of the most severely burned bureaus during this fire. based on the widely investigation of the background information in the study area, and supported by the geographic information system ( gis ) and remote sensing ( rs ), the two digital forest stand maps ( 1987 and 2000 ) and dtm data were overlaid and the spatial and attribute database were produced. according to this, basic characteristics and changing of landscape structure and spatial pattern were widely and thoroughly analysed

    論文選擇位於大興安嶺北坡圖強林業局的育英和奮斗兩個林場作為研究區（該區是1987年重過火區，總面積12萬多ha ） ，在對研究區基本情況廣泛調查的基礎上，藉助于rs 、 gis技術手段，並輔以景觀生態學知識的支持，研究了林火跡地森林景觀格局及其變化的主要特徵，同時運用分佈指數、偏相關分析等方法重點探討了地形因子對格局及變化的影響。
  6. As far as model is concerned, the forth generation software should be characterized with spatial entity - oriented. the paper established the geographic spatial model based on the thinking of object - oriented ; studied the structure of the model " s elementary unit - - geographic entity ; brought forward the concept of geometric data type which characterize entity ' s spatial feature in the structure ; defined five kinds of geometric data types such as point, arc, area, composite arc, composite area ; and formalized their collective operation using hypergraph. at the end of this paper writer studied preliminarily the method of entity query and analysis based on the model

    本論文從面向對象的基本思想出發，建立了面向對象的地理空間模型；研究了地理空間模型中的基本單位? ?地理實體的結構，針對實體結構中用來表徵實體空間特性的組成部分? ?幾何對象，提出了其取值范圍，即幾何數據類型的概念；對點、弧、面、復合弧和組合面五種幾何數據類型進行了定義；並使用超圖工具對幾何數據類型的集合操作進行了形式化描述；對基於面向對象的地理空間模型的實體查詢和分析方法也做了初步研究。
  7. In the thesis, by the object - oriented method, we study and explore deeply the data model of spatial object, the definition and expretion of semantics, the basic relaionship among objects, the basic spatial operation and topology structure, the orgazization of geographic data, the storage of data and the spatial index

    本論文採用面向對象方法，對gis中空間對象的數據模型、語義定義和表示、對象間的基本語義關系、對象的基本空間操作及拓撲結構、地理數據的組織、數據的存儲和空間索引等方面進行了較全面的探索和研究，並在此基礎上，提出了面向對象gis的整體概略框架。
  8. Attribute data structure for police geographic information

    城市警用地理信息屬性數據結構
  9. The main research work are summarized : geographic spatial data storage and sharing in gml format, svg format encoding and visualization ; geographic spatial data organization and conformity with object - oriented relation database ; the data parsing and format transforming among gml, svg and shape file ; a general framework establishing and a prototype development of web gis server software system in a multi - tiered distribute structure utilizing soap / web service

    主要研究內容包括：地理空間數據的gml編碼存儲與共享和svg格式編碼與地理信息的可視化表達；地理空間數據的組織以及它與關系對象數據庫的整合； gml 、 svg和shape格式的解析與轉換；用soap / webservice技術構建分散式多層體系的webgis服務器端軟體系統的總體架構和原型系統的開發實現。
  10. We first put forward the file system of hierarchy structure through an object - oriented programming approach. to deal with great amount of data from geographic information and the need of fast access, we design a kind of professional embedded gis data structure to combine the quad tree storage format and the deploying mode of the file system. this method can implement the fast access for geographic information data

    通過面向對象的程序設計方法提出層次體系架構的文件系統；並針對地理信息數據量大的特點和快速空間存儲的需求，提出了一種將四叉樹存儲格式與文件系統的調度方式相結合的嵌入式gis專用數據結構，實現了地理信息的快速存取。
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