extracting stage 中文意思是什麼
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On the stage of describing the shape of airplane and extracting feature, we derive five - coplanar - point invariant from the basic projective invariant - cross ratio, and resolve the problem of stabilization of five - coplanar - point when there is three points are nearly collinear
在對飛機外型提取特徵進行描述的階段，首先從基本的射影不變量交比不變量出發，推導出了平面五點不量，並解決了當有三點接近共線時不變量不穩定的問題。 -
With the method of adding nano - particles during extracting stage, dry uhmwpe gel fiber dispersed with nano - particles is prepared, after multi - step hot drawing, modified uhmwpe fibers are prepared
採用萃取加入的方式製成了納米粒子均勻分散的uhm認甲e干凍膠纖維，然後經過多級熱拉伸，製成納米粒子改性uhm從甲e纖維。 -
A concept - based approach is expected to resolve the word sense ambiguities in information retrieval and apply the semantic importance of the concepts, instead of the term frequency, to representing the contents of a document. consequently, a formalized document framework is proposed. the document framework is used to express the meaning of a document with the concepts which are expressed by high semantic importance. the framework consists of two parts : the " domain " information and the " situation background " information of a document. a document - extracting algorithm and a two - stage smoothing method are also proposed. the quantification of the similarity between the query and the document framework depends on the smoothing method. the experiments on the trec6 collection demonstrate the feasibility and effectiveness of the proposed approach in information retrieval tasks. the average recall level precision of the model using the proposed approach is about 10 ? higher than that of traditional ones
為了獲取詞語在文章中的語義權重，解決詞語的同義、多義模糊問題，提升信息檢索的效率，提出了一種基於概念的檢索模型，模型中設計了一種形式化的文本內容表示框架，框架由2部分構成:文章的"領域"以及"情景與背景"信息，並由概念（形式化語義）加以表示.同時，提出了提取該概念框架的方法，給出了用於框架與檢索要求間匹配的兩階段平滑演算法.實驗表明，在trec6提供的小規模語料集下，採用所提出方法的信息檢索模型與傳統模型相比，平均召回準確率提升了約10 ? ，效果顯著，充分說明了基於本文描述方法構建的、以概念作為處理中介的信息檢索系統的有效性和可行性 -
Compared with the method of adding nano - particles during dissolving stage, by the method of adding nano - particles during extracting stage, there have no big agglomerated particles in fibers owing to the limit of pole size in uhmwpe gel fiber
與溶解階段加入納米粒子相比，在萃取階段加入納米粒子，由於uhmwpe凍膠纖維內微孔尺寸的限制，纖維內沒有較大尺寸的納米粒子團聚體存在。 -
In the data extracting stage, aiming at interfacing of knowledge discovery algorithms to large database management systems, we present a family of generic, set - based, primitive operations for knowledge discovery in databases. we show how a number of well - known kdd classification algorithms can all be computed via our generic data extractors
該介面利用一組基於sql語言的數據抽取器實現為數據挖掘演算法抽取必要的統計數據，避免了直接對大型數據庫的數據進行調用，使得對大型數據庫進行快速數據挖掘成為可能。
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