數據起點 的英文怎麼說

中文拼音 [shǔjùqǐdiǎn]
數據起點 英文
data origination
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 起 : 起Ⅰ動詞1 （站起; 坐起） rise; get up; stand up 2 （取出; 取走） draw out; remove; extract; pull 3...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 數據 : data; record; information
  • 起點 : origin; starting point; zero; a point of departure
  1. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三，分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別，提出了一套完整的xml結構化查詢代價估計體系sxm ，包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ，對復雜路徑表達進行查詢代價估計的雙焦點例舉法，以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法，並能將多種查詢表達的查詢代價估計結果結合在一起，以給出一個完整的xpath查詢的代價估計。
  2. As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points

    本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準，根據點的法向量以及其鄰域結點的各種屬性，對應于平面、球面、柱面等二次曲面，依據曲面方程的特點，從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點，實現了散亂數據點的自動分類。
  3. Here we study the method of using com subassembly and ole automation technology to solve the integrate problem. this technology can fulfill the task of data ' s sharing and conversion, supporting the synchronization of space decision reasoning analysis and space information manipulation, realizing the seamless integration. the paper based on solving the evaluation of land using problem, by anglicizing the deficiency of gis ' s space decision and the merit of egis

    這里我作了用com技術及其統一數據傳輸機制和ole自動化功能進行es和gis集成的研究：其中，將es作為控制器， gis作為自動化對象連接起來，能很好地完成數據的轉換與共享，支持空間決策推理分析和空間信息操作的同步進行，本文由此重點討論了com及ole自動化技術。
  4. This thesis based on the development of heilongjiang ' s green foods, through a large amount of collection and arrangement, to analyze the opportunity of development, some objective problems, course and present condition of heilongjiang ' s green food, point out the countermeasure of development of heilongjiang ' s green food. the thesis is divided into five units : unit 1 analyzes the definitions and characters of green foods, standard and signs of green food. the advantage which green food have and the significance of green food ; unit 2 analyzes the development course and present development situation of heilongjiang ' s green food based on analyzing the starter and development situation of our country, heilongjiang ' s green food past ten years, more work goes before in our country ; unit 3 analyzes the questions required dealing with which exists in development of heilongjiang ' s green foods, it indues that think is too late, the scale is too small, the way of sell is late and false is too much more ; unit 4 draws a conclusion that there is nice chance of developing green food in heilongjiang, based on using a large amount of data ; the last unit provides the ways to turn think, stronger big factories, make the sell way is more than before and draw the lay fastly, and provides appropriate countermeasures to develop heilongjiang ' s green food further i n a healthy way

    本文共分五章，第一章在分析了綠色食品的概念與特點的基礎上，對綠色食品的標準與標志進行了界定，並明確規定了綠色食品必須具備的條件，提出了發展綠色食品的意義；第二章在分析我國綠色食品的起步與發展概況的基礎上，對黑龍江省綠色食品的發展歷程和發展現狀進行了分析，黑龍江省綠色食品產業經過十多年的努力，呈現了全省合力抓綠色食品，健康快速發展的好勢頭，並且許多工作都走在全國的前列；第三章從實證著手，分析了黑龍江省綠色食品發展中存在思想觀念滯后、品牌雜、經營銷售方式落後、假冒現象多等若干亟待解決的問題；第四章運用大量數據，得出黑龍江省發展綠色食品的良好機遇，為黑龍江省綠色食品的發展提供了廣闊的發展空間；第五章針對黑龍江省綠色食品發展中存在的問題提出了轉變傳統觀念、壯大龍頭企業、抓好市場營銷、加強綠色食品法規的制定等相應的對策，並對黑龍江省綠色食品的進一步的健康發展提出了新的思路。
  5. Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and the head pores or lateral line etc

    一般依據胸鰭的有無或發達程度，背鰭起點、鰓孔、肛門、鼻孔和眼等的相對位置，頜的發達程度和頜上是否具須，齒的形狀和排列方式，身體的斑紋，以及頭部和體側的側線孔數目等進行鑒別。
  6. In the following chapters, the interoperable model of webgis, multi - level b / s architecture, multi - thread for network computing and concurrent access, dcom, intelligent agent, intelligent spatial search engine, information security are discussed in detail. with these key technologies, the system of publishment and analysis of city air quality based on webgis is designed and implemented

    借鑒這些關鍵技術，在arcims的基礎上，設計並實現了基於webgis的全國重點城市空氣質量發布系統，將空氣質量狀況與空間數據結合起來，生動直觀的反映了各主要城市的空氣質量狀況，方便了用戶的查詢，為環保事業作出應有的貢獻。
  7. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  8. According to the characteristic of cnc plasma cutting machine it could improve the process quality of cutting piece in effect for choosing proper technics, for example, cutting section point, aspect, sequence, speed etal during the period of processing, and elaborating towards the distortion control of single side piece, slightness piece, profiled piece and particularity piece at the same time

    根據數控等離子切割機的特點，在加工過程中正確選擇切割的起點、切割方向、切割順序、切割速度等工藝，可以有效提高切割件的加工質量，同時對單邊工件、細長件、異型件以及特殊件的變形控制進行了詳細地闡述。
  9. In this thesis, for the merits of high frequency spectrum utility factor and high - speed data communication, the ofdm is introduced into the underwater acoustic communication. combined with fec to combat the frequency - selective fades and isi in the underwater acoustic channel, high speed data transmission is realized by employing ofdm technology

    本研究嘗試將ofdm技術引入水聲通信領域，利用該技術頻譜利用率高，多載波并行傳送的特點，結合通道編碼，以克服水聲通道多徑干擾引起的頻率選擇性衰落和碼間干擾，獲得高速率數據傳輸。
  10. In order to change situation and realize higher education evaluation online, with introducing the origin and the phylogeny of higher education evaluation as the starting point in the paper, analyzing the characteristic of higher education evaluation and comparing several typical evaluation methods each other, we put forward a synthetic evaluation method based on a combination of ahp and fuzzy estimation. then we have made a thorough and careful study in education evaluation work pattern and system structure, in which some related technique, such as active server page technology and web database access technology etc. are discussed

    本文首先介紹高教評估的起源及其發展概況，並分析了高教評估的特點，在深入研究幾種經典的評估方法的基礎上，提出模糊評估與層次分析相結合的綜合評估方法；接著對網上評估系統的工作模式及其體系結構進行探討，並應用相關的理論、技術，如數據庫理論、動態網頁技術asp 、和基於asp的web數據庫訪問技術等，開發了一個基於計算機網路的高等教育評估系統。
  11. In this paper, we talk mainly about statistical analysis of censored samples. censored samples may arise in practice in different way

    不完全數據的統計分析是統計學界研究的熱點問題之一，引起了國內外諸多科研工作者的關注。
  12. One of these challenges is to enable users to get the maximum benefit from the data they stored. data mining and knowledge discovery in databases ( kdd ) is an international frontier and has already become a hotspot hi r & d field

    數據挖掘與從數據庫中發現知識是在對更深入、更充分的開發信息資源的迫切需求背景下產生並迅速發展起來的一個國際前沿領域，它已經成為研究的一個熱點。
  13. How to combine advanced and high - efficient picture compress technology with the strong data processing ability of dsp to develop the practical wireless video transmission system, which the market can accept, is one of the current application hot points

    如何把dsp的強大的數據處理能力和先進高效的圖像壓縮技術結合起來，開發出市場所能接受的實用的無線視頻傳輸系統是當前的一個應用熱點。
  14. 1, the mjpeg, dv can provide the precision to the compression data code for of with machine visitting, but, mpeg2 the is according to i, p of or i, p, b of, can t attain this point. this at not the line edit can cause the material the dilatoriness that search for the etc.

    1 mjpeg dv都能提供精確到幀的隨機訪問，但是， mpeg2的壓縮數據碼流是基於i p幀的或i p b幀的，就不能做到這一點。這在非線性編輯時會引起素材搜索的遲緩等。
  15. Through the statistical analysis and comparative study on the offensive and defensive techniques and tactics between china and korea in 2004 2nd asian under 19 years young women championship, the paper makes an analysis between the korean young women football team the chinese young women football team on the characteristics of techniques and tactics, in the to find out the insufficiency of chinese women ' s football, offer some guiding rules for its development rapidly and sum up experiences for chinese women ' s football in the future

    摘要通過對第二屆u - 19亞洲青年女足錦標賽中國隊與韓國隊兩場比賽進攻與防守技戰術有關數據的統計、對比和研究，分析了韓國青年女足和中國青年女足的技戰術特點，找出中國青年女足存在的問題與差距，為中國女足的重新崛起提供參考。
  16. 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。
  17. By means of 4 dual - frequency gps receivers over china, the tec in the ionosphere during solar flare on nov 22, 1998 is calculated. the results indicate that the flare, the x - ray level of which is x3. 7, cause obvious tec enhancements in the ionosphere, the largest tec enhancement caused by the flare is about 1. 25 tecu. the characteristic of this method to study such ionospheric disturbances caused by flares is analyzed. it is concluded that this method can be used to study the ionosphere disturbances caused by solar flare, and can get more ionospheric disturbances information because of the special satellite constellation

    此次耀斑爆發引起了設在北京的高頻多普勒長達15min左右的無線電短波中斷。通過對gps得到的電離層tec進行分析發現：此次耀斑造成了大面積的電離層tec的增加，耀斑爆發引起的最大tec增幅在1 . 25個tec單位左右利用高精度的gps數據處理方法可研究耀斑引起的電離層擾動。另外，還分析了由gps計算的tec的時空變化特點。
  18. Bluetooth technology, a new wireless technology in ism band, can freely transmit. data and voice in short distance. the application to intelligent home is one of the most important applications of bluetooth, and it drives bluetooth ' s development

    藍牙技術，作為一種在2 . 4ghz無線基礎上新發展起來的電纜置換技術，由於其全球統一的標準性、數據和語音傳輸方面的優越性、自動組網能力、低功耗、低成本和高安全性等特點，已經得到人們的廣泛認同。
  19. We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data

    然後介紹了在本研究中構造逆斷層地質等值線的基本思路：從離散數據點結構出發，採用空間數據內插方法進行數據的均勻化，通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型，利用該模型構造出相應的地質等值線圖，其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術，實現逆斷層數據的處理和等值線繪制。
  20. Based on the characteristic of image data, a quick index technology of large numbers of data is presented. it classifies and assembles the similar images by particular arithmetic, so reduce the range when searching, therefore you can find the object images quickly and exactly

    由圖像數據特點，提出一種大容量圖像數據的快速索引技術，其基本思想是把相似的圖像通過特定的演算法聚合在一起，從而大大地縮小圖像搜索的范圍，達到快速、準確檢索到目標圖像的目的。
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