聯合數據表 的英文怎麼說

中文拼音 [liánshǔbiǎo]
聯合數據表 英文
junction table
  • : Ⅰ動詞(聯結; 聯合) unite; join Ⅱ名詞(對聯) antithetical couplet
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • 聯合 : 1 (聯系使不分散;結合) unite; ally 2 (結合在一起) alliance; union; coalition 3 (共同) joint;...
  • 數據 : data; record; information
  1. Involuntarily, questions of these engineering datas " management appear, datas " persistance only depending relational model and rdbms is greatly insufficient, so this paper carefully studies object - relational mapping based on rdbms based on the analyse of home & overseas actualities, correlative theories and realizing methods of object - relational mapping, we find opl based on rdbms is the most suitable for object relatinoal mapping of clera. based on the engineering application analyse of opl in clera, function requirements, database modes, interface criterions and functions, running modes of opl have being detailedly described. with the framework of microsoft dna, a kind of realizing method of opl based on com / dcom / activex component technology has being brought forward, and this paper describes realizing keys from base tables " definition, object id and class hx class and inheritance of class, object storage, parallel control and affair, object query, object nesting, relations between objects, support of complex data types, right control of object and buffer management of object

    本文在分析對象?關系映射技術的國內外現狀、相關理論及實現方法的基礎上,研究發現基於rdbms的opl是目前最適clera的對象?關系映射方法;在clera的opl應用分析的基礎上,詳細描述了opl的功能要求、庫模式、介面規范與功能、運行方式等內容;結microsoftdna開發框架,提出了一種基於com dcom activex組件技術的opl實現思路,並從基本定義、對象標識與類標識、類與類繼承、對象存儲、並發控制與事務、對象查詢、對象嵌套、對象間系、復雜類型的支持、對象級權限控制及對象緩沖管理等幾方面概述了實現要點。
  2. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的徵參,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜集成」的基礎上,提出了混凝土孔結構復體模型和孔系統的物理模型,並模擬了該模型下由各單體並形成的復體的斷裂過程,最後根所建模型編制了相應的計算程序,可根輸入的孔徑分佈與水泥含量等參,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參進行了相應的試驗對比分析,根回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  3. United nations habitat indicators programme ( unhip, 1993 ) data suggest that hong kong performs well against the comparator countries, partly due to the fact that the majority of tenants live in public housing where affordability is considered when setting rents. however, for the percentage of permanent structures, an indicator designed to measure the quality and proportion of housing that provides adequate shelter, and floor area per person, hong kong performed poorly against international comparators

    國住屋指標計劃(一九九三)所得的,香港比其他比較國家有較佳的現。部分原因可能是大部分市民都是居住在公營房屋,而租金的厘訂是以市民的負擔能力為依。不過,就永久房屋的比率(一個用來量度作為適當居所的房屋所佔比率和質素,以及每人樓面面積的指標)來說,香港的現則比其他比較國家略遜一籌。
  4. Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion

    在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平速度和觀相速的分佈等分佈函,在此基礎上,根運動學判,分別建立起風浪破碎率和白浪覆蓋率的理論模式。
  5. Through the approach of investigative questionnaire and ability examination, considering both teachers " teaching practice in senior high school and students " need in analyzing and resolving problem, taking the method of fixing the quality and quantity, we make a demonstration research. at last, we draw a conclusion that the 19 manifestations of chemistry ability can be reduced to three levels : the basal level, called repeating thinking, includes distinguishing and judging the chemical fact and relations of quantity in chemical reaction, comparing and summarizing the chemistry fundamental knowledge ; innovative thinking level includes illogical thinking and logical thinking. illogical thinking mainly contains intuition, association and space imagination of micro - particle

    通過調查問卷、能力測試等途徑,結教師在中學化學的教學實踐和學生在分析、解決問題的實際需要,採用定性與定量結的方法,進行實證研究,得出結論:化學學科能力的19種現形式歸納為3個層次:最基礎的再造性思維能力層次包括對化學事實和化學反應中量的關系的識別和判斷、對化學基礎知識的比較概括;以培養創新能力為核心的創造性思維層次包括化學直覺思維、想、對微觀粒子的空間想象為主的非邏輯思維和靈活運用已學的化學知識通過分析、綜地解決問題為主的邏輯思維;化學實驗能力層次是化學學科能力的最高層次,它以思維能力為基礎,集中體現了化學教學的基本特徵,實驗能力層次包括:選用實驗方法和設計實驗方案,對實驗的評價,研究和處理實驗事實、資料、,發現規律,達實驗及其結果,最終解決問題的能力和發散思維。
  6. The respected scientist said the un ' s prediction of a three degree celsius temperature rise was conservative and in fact could be double that figure resulting in " truly catastrophic " conditions for all life on earth

    這位科學家國的氣溫將提高3攝氏度的預測有些保守,而實際上可能是預測的雙倍,這將為地球所有生命帶來」真正的災難「 。
  7. Second, we select appropriate variables according to the monetary policy transmission mechanism, monetary indicator and the mutual correlationship between the monetary policy and real estate market. we choose corresponding data represented the loan, money supply and interest rate as monetary indicator. and we collect commercial house sales amount and zhongfang housing sales price index of shanghai as the represented variables in china real estate market

    而後根貨幣政策傳導的機理、貨幣政策中介目標的理論研究和房地產市場與貨幣政策的關機制,選擇了較為適的信貸、貨幣供應量和利率作為貨幣政策的中介目標,房地產市場商品房銷售額,與中房上海住宅銷售價格指作為中國房地產市場的代變量。
  8. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash結構,通過構造一個userid - uel關矩陣,對列向量進行相似性分析得到相似客戶群體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果明了演算法的有效性。第四是本文將傳統挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結關系庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。
  9. A database with the appropriate amount of denormalization reduces the number of tables that have to join together, without adding too much complication to the updating process

    如果庫適當程度地不規范,則可以減少必須接在一起的目,而不會使更新過程過于復雜。
  10. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體系的運演規律,本文對其結構特徵作了進一步的探討:通過時序和截面的回歸分析、圖分析和統計分析,結分形理論,得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵,以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟系強度較弱、結構鬆散,在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上,導出了該省城市體系的五大城市群職能組;結空間結構體系、路網交通條件和經濟發展狀況,對該省城市空間分佈狀態進行了定性分析,研究明該省總體上處于極化階段,各個具體區域,分佈階段不一,差異較大。
  11. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗
  12. According to the army operational readiness training management stipulation and the present standard, the unified subject design, the unification ascend the statistical system, the unification analysis examination and approval principle, the strict all levels of jurisdiction, facilitates each kind of information gathering, at the same time adapts the different user object information need ; depends on the army local area network, the armed forces net, realizes, between horizontally the vertical units to operation and so on data long - distance input, inquiry, report form, printing, achieves internal information true sharing ; the strict internal supervising and managing system, strengthens the information management, promptly realizes internal data automatically to report, the higher authority department can to report the information to carry on compiles, the merge and the analysis, promptly grasps each kind of resources for the correlation leader the memory, the assignment, the

    部隊戰備訓練管理規定和現行標準,統一科目設計、統一登統計制度、統一分析審批原則、嚴格各級權限,方便各種信息採集,同時適應不同用戶對象的信息需求;依託部隊局域網、軍網,實現橫、縱向單位間對的遠程錄入、查詢、報、列印等操作,達到內部信息的真正共享;嚴格內部監管制度,強化信息管理,實現內部的及時自動上報,上級部門能對上報信息進行匯總、併與分析,為相關領導及時掌握各種資源的存儲、分配、使用狀況提供依,全面提高部隊作戰、戰備、訓練和保障的應變能力;加強對新舊、橫縱向的管理,全面分析和挖掘間的系,充分利用的潛在價值,為資源管理者提供快速有效的決策支持。
  13. Objective : construct high - level expression system of echistatin in e. coli methods : obtain amino - acid sequence of echistatin from genebank database. considering the bias of usage of 61 available aminoacid codons in e. coli, design the coding sequence of echistatin, synthesize the dna sequence chemically, get single copy coding gene and repeated two copy coding gene of echistatin. insert the sequence into expression vector pbv220, and more, we construct fusion expression clone of echistatin with pcr, identify the recombinant vector by dna sequencing

    目的構建蛇毒鋸鱗蝰素( echistatin )的原核高效達體系方法由genebank庫檢索蛇毒鋸鱗蝰素( echistatin )的氨基酸序列,結大腸桿菌蛋白質成體系對氨基酸密碼子使用的偏愛性,設計了echistatin編碼基因,體外人工成編碼基因dna片段,通過適當的限制性內切酶位點插入達載體pbv220 ,分別構建了echistatin的單拷貝達克隆、雙拷貝串達克隆;進一步通過pcr技術構建echistatin的融達基因克隆。
  14. This paper is also an integration of quantitive analysis and related theories, such as industry structure theory, input - output theory, regional economics theory and industry convergence theory. by using of these indexes and theories, the paper deeply studied technology and economy linkage among industries. and then, it discussed the selecting of the leading industry

    本文綜運用產業結構理論、投入產出經濟學、區域經濟學和產業融理論等理論和方法,基於湖北省1997年投入產出、 2000年投入產出延長,運用量經濟模型,計算了湖北省近五年來近40個產業的產業關指標,深刻揭示了湖北省經濟象下深層次的技術經濟系。
  15. Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use

    本文採用全國首批建立的「縣級土地利用現狀庫」的基礎,結影響土地利用變化的經濟、社會、環境等綜因素,採用相關分析軟體( dps 、 spss )和學分析方法(主成分分析、灰色關度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm ( 1 , 1 )預測模型分析、灰色序列gm ( 1 , n )模型分析等方法) ,對江安縣土地利用變化及其驅動力進行定性、定量研究,研究結果明: 1江安縣人均總的土地資源量和單一土地利用類型的量在宜賓或四川省區域內均無優勢;地形對土地利用方式的選擇起著主導作用;土地利用變化的總趨勢是:耕地、林地、交通用地和水域面積不斷減少,居民點及工礦用地和未利用地面積不斷增加;景觀多樣性指呈現「 」趨勢。
  16. The problems and the integration purposes of three taxation legacy systems are introduced. after comparing and analyzing three eai models ( interface integration, data integration, and function integration ) and three data integration methods ( fdbs, based on middleware, and data warehouse ), a data integration method is put forward, which uses triggers and mechanism of poll. based on this method, a project is proposed to settle the problems of taxation legacy system

    介紹了3個稅務遺留系統存在的問題和集成的目標,比較分析了3種企業應用集成模型:示集成、集成和功能集成, 3種集成方法:庫系統、基於中間件模型和倉庫,結稅務遺留系統的特點,提出了一種利用觸發器和輪詢機制實現集成的方法,並設計了應用該方法的實現方案,解決了稅務遺留系統集成問題。
  17. The problem of doa ' s estimation of multiple source signals incident on a arbitrary array in the presence of both unknown spatially correlated noise and sensor errors is firstly considered. a modified ml estimation of doa ' s and sensor gain errors is presented. unlike previous work, the proposed method does not impose any structure constraints or parameterization of the signal and noise covariances. the algorithm can be carried out via the alternating projection approach. finally, the performance of the proposed method is shown with computer simulations as well as real array data

    在空間相關色噪聲環境及存在陣列模型誤差情況下,首先給出了基於最大似然的doa及陣列幅相誤差估計演算法,該演算法對信號和噪聲無任何約束,且適用於任意陣列結構。演算法可以利用交替投影迭代搜索實現,計算機模擬實驗和外場實測明,本章演算法能給出比傳統的最大似然方法更高的估計性能。
  18. A partitioned view is a view defined by a union all of member tables structured in the same way, but stored separately as multiple tables in either the same instance of sql server or in a group of autonomous instances of sql server servers, called federated database servers

    分區視圖是通過對成員使用union all所定義的視圖,這些成員的結構相同,但作為多個分別存儲在同一個sql server實例中,或存儲在稱為庫服務器的自主sql server服務器實例組中。
  19. 2. to the problem that the data table will be searched many times in mining of associative rules, an algorithm using with equivalence classes concept of rough analysis in the mining of single - dimensional boolean associative rules is introduced. the algorithm uses multiple minimal support thresholds instead of single minimal support threshold to settle with its limitation in the finding of frequent items, which makes the resultant rules set more proficiency, and including more significant rules

    針對關規則挖掘過程中多次搜索的問題,將rough分析的等效類概念引入到關規則挖掘中,針對單維布爾關規則問題提出一種挖掘演算法,同時針對單一的最小支持度閾值的缺點,提出使用多個最小支持度閾值來進行頻繁項集挖掘,可使得結果規則集更加精練,包含更多的有意義規則。
  20. It is the second biggest world recipient on a cumulative basis. recent un figures show it has received more fdi projects each year than any other european economy since 2000

    最近,國的明從2000年起,英國每年吸引海外直接投資的項目量明顯多於其它歐洲國家。
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