And then, the exploitation methods and the key techniques of USIS, including data base design, main surface realization, MAPGIS secondary development, OpenGL 3D mapping techniques and digital mapping and intellective analytical technology, are discussed.

介紹了建立地下空間信息系統(tǒng)的目的和意義肏屄视频网站，論述了USIS的開發(fā)方法及其關(guān)鍵技術(shù)，包括：數(shù)據(jù)庫技術(shù)国产一级在线播放、界面實(shí)現(xiàn)技術(shù)黄片com.、MAPGIS二次開發(fā)技術(shù)、OpenGL三維圖形開發(fā)技術(shù)国产av一码二码三码无码、數(shù)字制圖與智能分析技術(shù)等一级片毛片网址，并結(jié)合東深供水改造工程地下空間信息系統(tǒng)進(jìn)行了開發(fā)方法和關(guān)鍵技術(shù)的應(yīng)用研究，最后中文字幕无码毛片一级，對USIS的發(fā)展趨勢作了較深入的分析一级片黄色网址，指出了今后研究的幾個(gè)主要方向。

Knowledge representation and data base building are key techniques for the on development of the knowledge-based gun barrel CAD system.

知識的表示與數(shù)據(jù)庫的構(gòu)造是開發(fā)基于知識的槍管CAD系統(tǒng)的關(guān)鍵婷婷丁香五月综合中文字幕。

Among them, the proscenium application and backstage data base connection are development difficult point , invigilating the algorithm assigning is system develop key component.

其中在线色av，前臺應(yīng)用程序和后臺數(shù)據(jù)庫的連接是開發(fā)的難點(diǎn)，監(jiān)考員分派的算法是系統(tǒng)開發(fā)的關(guān)鍵部分欧美A片在线中文字幕。