挖空特徵 的英文怎麼說

中文拼音 [wākōngtèzhǐ]
挖空特徵 英文
hollow feature
  • 挖 : 動詞（用工具或手從物體的表面向里掘取） dig; excavate; scoop
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 挖空 : blanking
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上，利用空間數據挖掘和地形地貌學的基本理論，以陜北黃土高原多地貌類型區為實驗樣區，以1 10000比例尺dem為樣本數據，探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構；確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構；系統總結了dem基本地形因子的提取演算法，並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析；提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法；擴充了arcviewgis軟體平臺中dem空間分析的基本功能；實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發；完成了對黃土高原多地貌類型區（樣區）地形信息空間分異特徵的分析。
  2. The main content of this paper includes the following aspects : on the basis of discussing the necessity of implementing crm in china ' s air cargo industry, this paper firstly designs and builds the air cargo analytical crm data warehouse and realizes olap analysis on it. then, this paper segments the air cargo customers and derives the formulas of calculating customer life cycle value ( clv ). finally, this paper analyzes air cargo customer group characteristics and customers " service demand by using data mining algorithms of attribute - oriented induction and association rule

    本文主要做了以下幾方面的研究工作：一是討論了航空貨運未來的發展與客戶關系管理的關系；二是設計並構建了航空貨運分析型crm數據倉庫，並在其上實現了多維分析；三是進行了航空貨運客戶細分並推導了計算航空貨運客戶生命周期價值的公式；四是應用了面向屬性的歸納和關聯規則等數據挖掘演算法進行了航空貨運客戶群特徵分析和貨主服務需求分析。
  3. Through analyzing its integrated structure and the texture of streets and alleys, the author tries to unearth the characteristics of space and culture, which are reserved in the town, to summarize and promote them. this will provide a new view for the following research about the traditional habitation areas

    本文以閩北邵武和平古鎮為研究對象，試圖通過對和平古鎮整體結構及街巷肌理的分析，挖掘其脈絡中所積存的空間和文化特徵，並加以總結和提升，為以後的傳統聚落研究提供一種新的思路。
  4. Data warehouse is a hot research area in 90s its main motif is to provide the decision - maker a powerful tool : gathering the data in pure consistent, relevant pattern, and making use of the data in managing analyzing, data - mining purposec that means that the decision - maker can use the tool to understand, grasp the situation of the business from different directions and forecast the future of it when using data warehouse, the processing speed determines data warehouse ' s practicability and processing ability the hoc ( highway decision center ) system realized before solves some key problems about intermediate scale data, mainly concentrating data warehouse performance coefficient when using hdc in large scale data, it encountered processing speed problem then the settlement of this problem becomes a major research point so, based on the former research achievements, the present task is to construct the renowned data warehouse architecture and its relevant algorithms, then adapts the system to the large scale dataset with data mining functions c this paper is a part of the research in order to construct the powerful system, a key problem is to cope with the processing - speed problem and the data space problem, etc, - caused by the large scale dataset and magnificent dataset this is also the core in the present data mining research this paper ' s motive is to design and realize a decision - tree classifier in the data warehouse system for large - scale dataset

    大型數據倉庫的處理速度問題目前是制約其推廣應用的關鍵所在，也是這一領域的一個重要研究課題，也正是我們當前工作的重點：在前期研究工作的基礎上圍繞提高大型數據倉庫處理速度問題，建立改進的數據倉庫系統模型和相關演算法，開發出面向中級以上企事業單位的、具有數據挖掘和分析能力的大型數據倉庫系統。建立大型數據倉庫所面臨的關鍵問題，是如何妥善解決實際業務數據的大規模、海量特徵所帶來的處理速度和空間等問題，這也是當前挖掘技術研究必然面對的核心問題。本研究的目的是設計並實現大型數據倉庫系統中的分類數據挖掘工具? ?決策樹分類器，主要工作是在綜合了解現有決策樹分類演算法的研究情況的前提下，對決策樹演算法適應大規模數據集的問題進行探討，力求設計出能較好地適應大規模數據的分類器演算法。
  5. Consider the hugeness and the extreme complexity of first - order rule space, in order to carry out an effective search, most ilp systems have used greedy search strategy and required to explicitly present strong language bias related to the mining task, the structure feature description of first - order rules explored in mining process, to reduce the search range or is used as heuristics to guide the search

    由於一階規則空間的龐大和復雜性，為了實現有效的搜索，絕大多數一階規則挖掘系統採用了貪婪的搜索策略，並需要對具體問題給出極其嚴格的語言偏向（即挖掘過程中待測規則構成的特徵描述）來縮小搜索的范圍或作為啟發知識來指導搜索過程。
  6. Based on the former research theory, the connotation of urban - rural ecotone was discussed by a case study in houma. the spatial distribution character, the scope definition and the land use character in the urban - rural ecotone were specially researched. problems in land use were pointed out and optimum design of land use structure in urban - rural ecotone was given

    本文在以上理論研究的基礎上，以山西侯馬為例，通過對城鄉交錯帶內涵的辨析，著重探討城鄉交錯帶的空間地域分佈特點，界定城鄉交錯帶范圍，指出城鄉交錯帶土地利用特徵，找出了土地利用中存在的問題，並對城鄉交錯帶土地利用結構進行優化設計，最大限度地挖掘城鄉交錯帶土地利用的潛力，提出了城鄉交錯帶土地利用優化結構以及調整措施。
  7. Wbs has not only implemented the web log mining function, but also put forward a method to supply the needs of personalization service. this method was based on the technique of web usage mining and web content mining, hi this system bookmarks and users are represented by vector on feature space and managed in a uniform manner by the engine

    結合系統特點? ? bookmark服務，系統不僅實現了日誌挖掘功能，並提出了一種結合web用法挖掘和web內容挖掘的方法，即將bookmark和用戶以基於特徵項空間的向量形式統一進行管理，採用聚類（ clustering ）的方法根據匹配度來為用戶提供個性化服務。
  8. Spatial data mining ( sdm ) refers to picking up interesting rules from spatial database, such as spatial patterns and characteristics, the universal relations of spatial and non - spatial data and other universal implicated in spatial data

    空間數據挖掘是指從空間數據庫中提取用戶感興趣的空間模式與特徵、空間與非空間數據的普遍關系及其它一些隱含在空間數據中的普遍的數據特徵。
  9. The excavation verifies that the anomaly characteristics of the gpr accord with true position of the subterranean cavitation

    經開挖驗證，探地雷達異常特徵與地下空洞實際位置相吻合。
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