topology index 中文意思是什麼
topology index
解釋
拓撲指數-
In this paper, we provide a summary of all the possible topologies of data grid replica location mechanisms based on the research status of related activities, and design a new kind named distributed replica information index location mechanism ( dilm ), which is based on the topology of improved ring and integrates four techniques : overlay network, bloom filter, soft - state protocol and md5
本文介紹了數據格網復制定位研究的現狀，總結了數據格網復制定位可能的拓撲結構種類，提出了一種新的數據格網復制定位機制? ?分散式復制索引定位機制dilm 。 dilm基於改進環型拓撲結構，包含以下4種技術：重疊網路技術、 bloomfilter壓縮技術、軟狀態協議和md5散列演算法。 -
A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced. the principle, design considerations, modulation index and efficiency of the proposed inverter are discussed in detail
提出了一種新型直流母線零電壓過渡電壓源三相pwm逆變器，並對該電路的工作過程、參數設計、調制系數以及工作效率等進行了詳細的分析和試驗研究。 -
The system adopts spatial data model based on the vector data model ; topology relation model uses spatial data model combined with spatial data index ; and makes use of relation database to save spatial entity data
本系統採用基於矢量數據模型的空間數據模型；拓撲關系模型採用空間數據模型與空間數據索引結合；採用關系數據庫存儲空間對象數據。 -
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。
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