常見(jiàn)例句雙語(yǔ)例句So the purpose of this research is to construct and realize conversion models from cartographic data to GIS database.本文以模型分析理論為出發(fā)點(diǎn)，認(rèn)為制圖數(shù)據(jù)向GIS數(shù)據(jù)的轉(zhuǎn)換實(shí)質(zhì)是數(shù)據(jù)模型的變換。The comprehensive classification(assessment) of multi-thematic data in thematic cartography is an important content of cartographic data processing.專題制圖中，多專題數(shù)據(jù)綜合分類（評(píng)價(jià)）是制圖數(shù)據(jù)處理中的重要內(nèi)容。In cartographic data handling, the spatial objects in 2D vector maps are common ones, the representation and handling of its spatial relationships are very important.矢量模式的地圖平面空間目標(biāo)是地圖數(shù)據(jù)處理中常見(jiàn)的，其空間關(guān)系的描述與處理非常重要。 返回 cartographic data