整體數據區 的英文怎麼說
中文拼音 [zhěngtǐshǔjùqū]
整體數據區
英文
global data area-
And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。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。In term of the control mechanism between tp and te, possibly, this special control method will provide the control theory some spark. based on the research and conclusion of the frog visual behavior, in term of the control mechanism among the tp, te and endbrain area, the author has done a detailed system analysis and use the computer 3d to simulate the frog vision behavior. this kind of visual behavior model could be taken as a good reference to study the formation of the vision and its characteristics
文中通過對青蛙視覺行為數據的細致整理和總結，根據丘腦-前頂蓋（ tp ） ~ 1 、頂蓋~ 2和端腦區域里神經元集團之間的相互作用機制並結合具體的視覺行為，做了詳細的系統分析，並在此基礎上，使用計算機3d技術對青蛙視覺行為進行了模擬，這種直觀的視覺行為模型能夠為我們進一步研究視覺的形成和特點提供良好的依據和借鑒。And this article uses the convenience and the rapidity of network to collect information and utilize data and combins with the prevenient research work, the study and discussion in this paper are in the aspects as follows : ( 1 ) agricultural data system is built in which the planting and the stockbreeding in the region agriculture are the representation
本文主要針對目前農業結構調整中存在的問題，結合以前的一定的研究成果，利用網路的收集信息、使用數據的方便性和快捷性，提出並設計了農業結構優化決策支持系統。本文在以下幾個方面進行了研究和探討： （ 1 ）以區域農業中的種植業和畜牧業為代表，建立農業結構優化決策支持系統中的數據指標體系。In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed
在該方法中，擁塞控制器以緩沖區大小信元作為擁塞指示，以信源質量和帶寬利用率作為目標函數進行在線學習，控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比，即根據信源編碼率及對應的用戶百分數調整信源輸入流，從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷，使控制系統在信元損失率最小情況下確保信源輸入流質量最高，從而有效地利用了網路帶寬。Based on the distinction of monetary effect and efficiency and taken the monthly data of 1999. 12 - 2006. 6 as sample, this paper studies the relations of integrated variables with the method of canonical correlation analysis, empirically tests the combined transmission efficiency of monetary policy based on multicomponent reaction models, and finally it indicates that, in the sample range, monetary operation tools married up better, the holistic transmission efficiency is relatively high, while there exists efficiency derogation in external transmission system, but also a big space of promotion
摘要在區分貨幣政策效果和效率的基礎上，本文以1999年12月2006年6月的數據為樣本，藉助典型相關分析，對貨幣政策傳導中同屬性變量進行整組壓縮，研究整組變量間的關系，並結合交互影響的多元反饋模型，對我國貨幣政策傳導的綜合效率進行了檢驗，得出結論：樣本區間內，貨幣政策工具實現了良好的配合，整體傳導效率高，外部傳導存在著效率減損，但有很大提升空間。The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future
首先介紹了器件建模的基本原理及相關模擬技術，然後利用工藝模擬軟體生成器件基本結構，並對其基本特性進行了分析;分析了業內和學術界比較通用的高壓器件建模的方法，隨后在模擬實驗的基礎上著重分析了dddmos的物理特性，在求解泊松方程、連續性方程等基本方程的基礎上，建立有物理意義的漂移區電阻的宏模型;隨后結合spicemos （ level = 3 ）模型而得到完整的dddmos模型，此模型與模擬數據符合得比較好，通過對不同工藝參數的器件進行模擬比較，該模型能夠覆蓋不同的工作偏壓范圍，具有較明確的物理意義，對今後的功率集成電路的研發有一定的參考意義。Web design pattern of struts framework which based on j2ee mvc model is adopted to design the whole system, this can divide the application into business module, application controlling module and data displaying module in effect without worrying about coupling problems, improve flexility of the application, develop the system in an orderly way, convenient for integration maintenance and upgrade
在系統設計上，採用了基於j2eemvc模式的struts框架的web應用體系，有效地將業務邏輯、應用程序控制和數據顯示功能模塊區分開來，可以分別集中開發任意模塊而不用擔心耦合問題，提高應用程序的柔韌性，使整個系統的開發有條不紊、容易集成、便於維護升級。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。Under the condition that chinese current turn over tax system is not subject to a structural reform, on - line transactions of digital products should be identified not as sales of goods in the sense of value - added tax, but as the supply of services or transfer of intangible property respectively for business tax purposes according to specific transaction circumstances
在我國現行流轉稅體制未進行結構性的改革調整的情況下，在線交易的數據化產品提供，不宜視為增值稅意義上的銷售貨物行為，而應該區別具體情況，分別確定為營業稅意義上的提供服務或轉讓無形財產交易。Guided with the theories of plate tectonics and complex hydrocarbon system, based on the analysis of geological factors of hydrocarbon pools in the northern area of tarim basin, the author puts forward the geological background favorable for and the possible areas most suitable for the formation of complex traps. the identification and description of complex traps lead to the recognization of five large and four middle or small complex traps, by the means of the main techniques and methods include the detailed interpretation of seismic profiles, drilling, logging, map compiling based on the depth of sealing surface and on the superimposed relation of stratigraphic lithology over and beneath the unconformity surfaces, and the the use of the reversion of jason and 3d coherent data. at the same time, the major controlling factors of complex trap oil pool have been analyzed based on the case study of typical oil pools in the paper
目前，復合圈閉勘探及研究工作在我國還比較薄弱，本文以板塊構造學、復式含油氣系統等理論為指導，通過對塔北地區石油地質特徵的整體解剖，從動態的角度，綜合分析和探索了塔北地區復合圈閉形成的地質背景及發育的有利區帶和領域，根據鉆、測井及地震剖面精細解釋成果，採用封閉面編圖、不整合面頂底板地層巖性疊置關系編圖方法和jason及三維相干數據體等地球物理反演技術，發現大型復合圈閉顯示2個，中小型復合圈閉4個，復查落實大型復合圈閉3個，並通過典型油氣藏解剖，分析了塔北地區復合圈閉成藏主控因素分析。The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp
對phz1754進行外切核酸酶（ exonuclease ， exo ）順序缺失，獲得單向長度漸減重疊的系列突變體，核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps ， frameplot程序分析揭示出該區域一個完整的開放閱讀框（ orf ）的存在，其大小為1656bps ， g + c含量為70 . 3 ，編碼552個氨基酸，利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較，發現無論在核苷酸水平還是在蛋白水平上，該orf均與膽固醇氧化酶表現出同源性，而且與鏈黴菌膽固醇氧化酶同源性最高，說明該orf編碼膽固醇氧化酶基因。The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project
黃土地區的高等級公路建設中經常遇到濕陷性黃土問題，其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降，直接影響路基、構造物等的正常使用。針對此問題，本文依託甘肅讒口至蘭州柳溝河高速公路建設工程，對橋基灰土樁復合地基應用的可行性進行了深入分析，根據具體工程進行了合理的設計與計算，並配合現場靜載荷試驗及壓力盒實測數據，探討了基底應力分佈規律，樁土應力比，變形模量的變化關系，對比分析了單樁、單樁復合和雙樁復合的p ? s關系，對橋基灰土樁復合地基承載力進行了整體評價。Such as, booting successfully after restoring the partition data, recognizing the volume characters, compressing data and checking data integrity, etc. to make the backuping and restoring operation better, the paper presents much test datas, and want to use the reliable data and the analyse on these data to get the best i / o memory size, the fastest i / o speed and the correct partition table modifying method. they will improve the software performance wholly
為了能更好的實現磁盤備份恢復操作，論文列示了很多在研究過程中通過實驗積累的測試數據，力求能用詳實的數據，對這些數據進行的綜合分析，來獲得較佳的讀寫數據內存塊大小，較快的數據讀寫速度，較正確的讀寫分區表數據的方法，從而提高應用軟體的整體性能。The adjustment of economic structure is an economic activity in many aspects, such as industrial structure, system structure, consumption structure, investment structure. the modern rule of economic development indicates that, economic growth more importantly depends upon the optimized adjustment of economic structure, except the input of capital, work and other element. the paper does some comparative analysis on the regional change of industrial structure, system structure and consumption structure
在實證分析中，利用面板數據（ paneldata ）的固定效應模型（ fem ）檢驗了中國東、中、西部地區經濟結構對各地區的經濟總體規模及資本產出效率的影響，闡明了地區經濟結構存在的差異，指出了經濟結構的優化調整對推動經濟發展的作用。Based on the loss rate of historic projects or the indemnity rate of engineering insurance, the engineering insurance rate can be calculated ; with taking into account the instability coefficient in mathematical statistics of relevant data, the fundamental rate will be figured out according to where the projects locates and the vulnerability of the construction structure
對于工程保險費率的確定，採用了以歷史工程損失率或工程保險賠付率為基礎，並考慮其歷史數據的數理統計不穩定系數，按項目所在區域及建築結構物的易損性作為基本費率，結合具體工程風險大小來調整基本費率。Abstract : biological invasions are a continuous feature of a non - equilibrium world, ever more so as a result of accidental and deliberate introductions by mankind. while many of these introductions are apparently harmless, others have significant consequences for organisms native to the invaded range, and entire communities may be affected. here we provide a survey of common models of range expansion, and outline the consequences these models have for patterns in genetic diversity and population structure. we describe how patterns of genetic diversity at a range of markers can be used to infer invasion routes, and to reveal the roles of selection and drift in shaping population genetic patterns that accompany range expansion. we summarise a growing range of population genetic techniques that allow large changes in population size ( bottlenecks and population expansions ) to be inferred over a range of timescales. finally, we illustrate some of the approaches described using data for a suite of invasions by oak gallwasps ( hymenoptera, cynipidae, cynipini ) in europe. we show that over timescales ranging from 500 10000 years, allele frequency data for polymorphic allozymes reveal ( a ) a consistent loss of genetic diversity along invasion routes, confirming the role of glacial refugia as centres of genetic diversity over these timescales, and ( b ) that populations in the invaded range are more subdivided genetically than those in the native range of each species. this spatial variation in population structure may be the result of variation in the patchiness of resources exploited by gallwasps, particularly host oak plants
文摘:生物入侵是不均衡世界的一個永恆話題，尤其是當人類有意或無意地引入物種后.很多引入顯然是無害的，但另外一些則有著嚴重的後果，會給入侵地的生物以至於整個生物群落造成影響.本文總結了分佈區擴張的常見模式，概述了它們對遺傳多樣性和種群結構式樣所造成的影響.描述了如何根據以一批遺傳標記所得到的遺傳多樣性式樣來推斷入侵途徑，來揭示伴隨擴張選擇和漂變在形成種群遺傳樣式中的作用.本文對日益增多的群體遺傳學方法進行了總結，這些技術可以用來在不同的時間尺度上推斷種群規模所發生的巨大變化（瓶頸效應及種群擴張） .最後，我們以歐洲櫟癭蜂（膜翅目，癭蜂科，癭蜂族）一系列入侵的數據為例對一些方法進行了說明.從500 10000年的時間尺度上，多態的等位酶位點上等位基因頻率的數據表明: 1 ）遺傳多樣性沿入侵路線呈不斷下降的趨勢，支持了冰河期避難所作為遺傳多樣性中心的作用; 2 ）入侵地區的種群與該物種原產地的種群相比，遺傳上的分化更為強烈.這種種群結構在空間上的變異可能是被櫟癭蜂開發的資源尤其是櫟樹寄主在斑塊上出現變異的反映By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net
它是針對鐵路接觸網平面布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置；緊接著通過對接觸網平面布置圖的繪圖中所涉及的各種類型數據進行分析，提出並實現繪圖數據管理子系統，它包括建立繪圖系統的數據結構，對數據進行編輯管理，向整個系統提供繪圖數據，供其後的圖形繪制使用；最後通過對參數化設計的相關理論進行介紹，闡述了各種參數化技術的異同點和適用范圍，並結合鐵路接觸網平面布置圖的特點具體分析了接觸網線路的尺寸約束。Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west
本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。This paper analyzed the temporal pattern of the arthropod community in jujube orchard in taigu area of shanxi province, regarding this community as a whole and in the light of its species constitution and amount
摘要將棗園節肢動物群落視為一個整體，根據群落內物種的組成和數量，採用不同群落參數和群落分析法對太谷地區棗園節肢動物群落的時間格局進行了比較。分享友人