topographic symbols 中文意思是什麼
topographic symbols
解釋
地形圖符號- topographic : adj. 地誌的，地形（學上）的；地形測量的。 a topographic drawing 地形圖。 a topographic machine 【航空】歪斜矯正機。
- symbols : 符號標志
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Compilation specifications and cartographic symbols for 1 : 250000 topographic maps
地形圖編繪規范及圖式 -
Compilation specifications and cartographic symbols for 1 : 1000000 topographic maps
地形圖編繪規范及圖式 -
In order to solve the problem of symbolic representation in geographic concepts and their mutual relationships, the geometrical composition of symbols of large scale topographic maps and the semantic and geometrical relationships among symbols are analyzed, the symbols system of topographic maps is regarded as a two - dimensional graphic language, and the relationship between symbols and geographic concepts is discussed
摘要為了解決地理概念及其相互關系的符號化表達問題，分析了大比例尺地形圖符號的幾何構成及符號間的幾何和語義關系，把地形圖符號系統作為一種二維圖形語言，討論了它和地理概念之間的關系。 -
According to concept of logic and geometrical shape of symbols the represented categories of geographic concepts and their mutual relationships on the basis of symbols of topographic maps are defined and the actual examples are given, which provides for reference meaning for studying cartographic language by logic method
根據邏輯學概念和符號的幾何形狀，定義了基於地形圖符號表達的地理概念的種類及其相互關系，並給出具體實例，為用邏輯方法研究地圖語言提供了借鑒意義。 -
Recognization and extraching digitized geo - information from map image opens a new way for map digitization and it is achieved signaficant for geographic information constuction and application. in this paper, the following four aspects are explored and discussed. ( 1 ) topographic map scanned is pre - settled for facing automatic recognization, it includes option of binary image, elimination of noise, thinning of symbols, modificatoin of intermittent points and deletion of error ect
本文從這個角度出發，基於對地形圖自動模式識別獲取信息和數據，從四個方面進行了研究和探討： （ 1 ） 、面向自動識別掃描地形圖數據預處理內容研究，包括二值化閾值選取、地形圖的噪聲消除、地形圖符號的細化、細化后的斷點修補和毛刺的剔除等。
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