three-ply paper 中文意思是什麼
three-ply paper
解釋
三層紙-
Based on current trend of network database technology, this paper bring up an executive - plan : " basing on xml, b / ' s three - ply structure government network system heterogeneous databases information - sharing ", and introduces the plan ' s integrated design as well as several sixty - four - dollar questions " solutions. those questions include as well : dynamic creating ird ( information resource directory ) based on sharing information of heterogeneous databases, web layer database ' s design and manage, dynamic creating sql query statement to realize heterogeneous database ' s local data querying, the translation from query result to xml document
介紹了該方案的整體設計以及幾個關鍵問題的解決方法，包括：根據各異構數據庫共享信息動態生成信息資源目錄（ ird ） ； web方式的中間層數據庫設計和管理；根據共享信息的表及欄位動態生成異構數據庫sql查詢語句實現局部數據查詢；根據數據庫結構特徵和xml數據模型特點，設計表結構欄位名稱與xml文檔標簽之間的對應關系，實現關系數據庫數據向標準xml文檔的轉化。 -
First of all, the paper expounds vr technology, vr technical application actuality and the trend of development on network, then based on each client demands and contrasting manifold relation techniques, adopts three - ply browser / server architecture, and constructs long - distance simulation training system of scanning probe microscope based on virtual reality and web
本文首先闡述了虛擬現實（ virtualreality ， vr ）技術，以及網路虛擬現實技術應用現狀和發展趨勢，然後根據客戶需求及他們擁有的計算機環境，對比多種相關技術，提出了採用三層瀏覽器服務器（ browser server簡稱b s ）體系結構，架構遠程基於虛擬現實技術的掃描探針顯微鏡模擬培訓系統。 -
This paper first analyses the developing direction of cad system in the era of internet, and discusses several key technologies of web - based remote design system, including network technique, three - ply architecture based on b / s, asp technique and the method to call remote program using activex components which is based on the theory of com / dcom
本文首先分析了internet時代cad系統的發展方向，研究了基於web的cad遠程設計中的主要理論和關鍵技術，包括網路技術、基於browser server的三層體系結構、 asp開發技術以及利用以com dcom原理為基礎的activex組件實現遠程程序調用的方法。
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