邏輯常數 的英文怎麼說
中文拼音 [luóchángshǔ]
邏輯常數
英文
logical constants-
Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure
文摘:探索比例優勢模型在臨床醫學中常見的多結局區間截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計,用牛頓-拉普森演算法估計回歸系數,用"夾心方差"估計量作為參數方差的估計.通過隨機模型檢驗模型應用的有效性Abstract : for a precise dataflow analysis within the framework of the computation function model, the logical relationship of branch conditions is represented as the coverage relationship of regions. in this paper, the authors discuss how to represent, compute and propagate the region, region of the conditional reference. meanwhile, the methods of resolving the nondeterminism caused by conditional branch statements are also presented in order to get more precise dataflow information
文摘:用計算函數模型進行精確的數據流分析,條件謂詞之間的邏輯關系被轉化為空間區域之間的覆蓋關系.該文討論在各種常見的程序構造下如何表示、計算和傳遞區域、區域,並在數據流分析過程中,利用區域、區域之間的覆蓋關系消除條件分支語句帶來的不確定性,以得到更精確的數據流信息By greatly enhancing digital machines ' ability to crunch numbers, execute logical operations and store data, this unprecedented manufacturing success has enabled revolutionary changes in our day - to - day lives while spawning one of the planet ' s largest and most influential industries
數位機器處理數字、邏輯運算,以及儲存資料的能力大幅增加后,這項前所未有在製程上的成就,對我們的日常生活造成了革命性的改變,也孕育出世界上最大、最有影響力的工業。There are six chapters in this paper. the concept of hetergensous databases and the importance of data exchange among hetergeneous databases are illustrated in the first chapter. the adopted technology of hetergeneous databases exchange is introduced in the second chapter. and the idea exploring xml implementing hetergeneous databases exchange is proposed. the development of xml and its application are reviewed and the relation of the logical structure of xml and dtd and schema is analyzed in the third chapter. the structure of the system exploring middleware tecknology implementing data exchange among hetergeneous databases is investigated in the fifth chapter. conclusion is given in the sisth chapter as a summary for this paper
全文共分六章:第一章闡述了異構數據庫的概念以及異構數據庫間數據交換的重要性;第二章介紹了通常情況下異構數據庫間數據交換所採用的各種技術,在此基礎上提出了利用xml實現異構數據庫間數據交換的思想;第三章回顧了xml的發展歷程和其主要應用領域,分析了xml的邏輯構成以及dtd和schema的關系;第四章介紹了xml數據庫的基本概念和相關技術並對其使用方法進行了分析;第五章介紹了利用xml中間件技術實現異構數據庫間數據交換時的系統結構以及中間件的實現;第六章對全文進行了總結。Considering the above preconditions, aiming at tobacco daily business and requirements of data, this article presents the following : 1. to analyze business logic and data info a flow chart, based on software including ibm aix os, db2 udb according to the tobacco number one ’ s total design thoughtfulness 2. to analyze the factors affecting db2 database performance in detail in allusion to the characteristic of tobacco industry including large data, lots of users, data updating rapidly, and frequent visits ; 3
基於以上前提,本文針對煙草企業日常業務和數據量的需求作了以下工作:從國家煙草專賣局煙草一號工程總體設計思路出發,分析工業企業的業務邏輯以及數據信息流圖,涉及的相關平臺,包括ibmaix操作系統、 db2udb通用數據庫系統。針對煙草行業數據量、用戶量龐大,數據更新迅速、用戶訪問頻繁的特點,詳細分析了影響db2數據庫性能的因素。This paper shows that the methods of mathematical logic may have a broad application and also valuable to human ' s daily thinking
這說明,數理邏輯的方法可以有廣泛的運用,它對于日常思維同樣有重要的價值。Complex programmable logic device ( cpld ), usually used to develop asic, is widely used in digital system to accomplish complex combinational and sequential logic
復雜的可編程邏輯器件( cpld )廣泛地用於數字系統中,常用作設計自己的專用集成電路,可實現復雜的組合邏輯和時序邏輯。I believe that it ' s very useful for computer science students who learning boolean algebra and predicate logic ( like my self )
我相信對于學習布爾代數學和謂詞邏輯的計算機科學學生(像我自己這樣的)來說它是非常有用的。This program creates truth tables from boolean expressions. i believe that it ' s very useful for computer science students who learning boolean algebra and predicate logic ( like my self )
這個程序從布爾表達式中創建真實的表格。我相信對于學習布爾代數學和謂詞邏輯的計算機科學學生(像我自己這樣的)來說它是非常有用的。Many mature technologies on this level have been brought out, such as the relational algebra law, the improved logical query plan, the cost estimation of operation, the selective plan based on cost and order of joint, etc. although many methods have been tried out, no remarkable result or noteworthy technology has come to reality because of complexity of data decomposition and network effects
例如,從物理查詢計劃的底層磁盤輸入輸出到語法分析階段的語法分析樹、用於改進查詢計劃的代數定律、邏輯查詢計劃的改進,以及操作代價的估計、基於代價的計劃和連接順序的選擇等全過程,都進行了不懈的努力。在這方面的研究已經非常成熟。The logical operation specified, plus the operands of the operation and those operands could be logical expressions themselves
指定的邏輯操作的子常式和該操作的操作數(那些操作數可以是邏輯表達式本身) 。In order to ensure to process regularly the daily maintenance management, this paper is based on the theory and method of database design and the theory of pavement management system, combining the application environment and operation flow of the expressway maintenance system, bringing forward the four stages of the expressway maintenance system design which are the requirement analysis of consumers, conception framework design, logic framework design and physical framework design, scheming out an optimum database mode applied to all kinds of expressway maintenance systems, and establishing a common database application system, so that the expressway maintenance system can evaluate the pavement performance, forecast the pavement performance and make decisions of the pavement maintenance
為了保證高速公路日常養護管理正常有序的進行,本文根據數據庫的設計原理、方法及路面管理系統原理,結合高速公路養護管理系統的實際應用環境和操作業務流程,提出了高速公路養護管理系統數據庫設計的4個階段? ?用戶實際需求分析、概念結構設計、邏輯結構設計和物理結構設計,設計出適用於各種高速公路養護管理系統最優的數據庫模式,並建立了通用的數據庫應用系統,使得養護管理系統能夠進行路面性能評價、性能預測和養護維修決策For example, the compiler produces a warning when the user attempts to invoke a member of an unassigned object variable, return from a function without setting the return value, or execute a
例如,當用戶試圖調用未賦值對象變量的成員、未設置返回值即從函數中返回,或執行異常捕獲邏輯有錯誤的In general, comparisons on string columns without blank padding comparison semantics need to be evaluated locally, unless the query compiler is able to find functions to enforce similar logic remotely
通常,不具備空白填充比較語義的字元串列上的比較需要在本地計算,除非查詢編譯器能夠發現在遠程強制類似邏輯的函數。In order to adapt this request, the constructing of data mining commercial application platform devotes in forming multi - strategy, broad availability data mining commercial application platform. therefore, the enterprise can carry on effective analysis with daily behavior data conveniently, and then makes accurate decisions according to the enterprise actual commercial logic and the knowledge that discovered in the data
為此我們構建了數據挖掘商業應用平臺,致力於形成一個多策略的、有效度廣的數據挖掘商業應用系統,使得企業可以方便地對日常的行為數據進行有效的分析,並根據企業實際的商業邏輯,結合數據挖掘發現的知識,快速做出準確的決策。An application exception represents the occurrence of a business logic error : withdrawing more than an account balance, reserving a seat which is already reserved, getting a credit card charge denied, etc. this is different from a system exception, which represents a system level error like running out of memory or running past the end of an array
應用程序異常表示發生了業務邏輯錯誤:取款超出了賬單余額、預訂已被訂出的座位、獲取已被凍結的信用卡的費用等等。這同系統異常不同,系統異常表示系統級別的錯誤,如耗盡內存或者數組越界。The foxboro dcs is regarded as main reference object, it does n ' t same as the traditional simulator. the logic protect and control are separated from model and the configuration control system be exploited in the paper. and the configuration of logic protect and control is operatised at operation station administration system, not to be added into model, not to build control sound code also
其邏輯保護和控制部分的組態在操作站管理系統進行,不用加入模型,也不用生成控制源代碼,因此很自然的就實現了在線調整、實時控制等類同於實際現場的模式。在本課題中,控制、邏輯保護和電氣邏輯模擬軟體主要包含熱工控制中一些常用的代數和邏輯運算。Smpdca architecture has six outstanding excellences : complexity of the control logics of smpdca is lower than large scale superscalar ; supplying shortest inter - processor communication latency using the shared li data cache ; no cost to maintain cache coherence ; hit rate of data cache increase ; easy to reuse many softwares of symmetric multiprocessor ( smp ) ; exploit the parallelism of applications from many levels. this paper present the architecture model of smpdca, and illustrated its function units, and discussed its key techniques, and analyzed the address image policy of multi - ported cache
Smpdca結構具有六個突出優勢:相對于大規模的超標量結構而言, smpdca結構的控制邏輯復雜性明顯要低得多;相對于通過共享主存來實現處理器之間的通信的結構而言,通過一個共享的第一級數據cache來實現處理器之間的通信的smpdca結構能夠提供非常小的處理器之間的通信延遲;沒有cache一致性維護開銷;數據cache命中率提高;便於smp (對稱多處理器結構)的軟體重用;從多個層次上開發程序的并行性。Mesfet digital logic families : performance criteria for logic. logic families : normally - on logic ( fl, bfl, sdfl ) ; normally - off logic ( dcfl ) ; comparison offamilies ; examples of fabrication sequences ; performance data ; state - of - the - art commercially
10金屬-半導體接面場效電晶體數位邏輯家族:邏輯效能標準。邏輯家族:常開邏輯( fl , bfl , sdfl ) ,常關邏輯( dcfl ) ,家族比較,製程步驟?例,效能數據,已商業化之科技產品。Through analyzing the present chengdu electronic government network with the economical and practical thought, the paper propose a solution that selects domestic nc ( network computer ), domestic servers, and domestic linux os to build up a economical and adequate foundation information platform ; that uses open source java tools to develop essential and effective electronic government cooperation office software corresponding with our national conditions, addressing the demand of daily archives transfer, information communication and conference management ; that develops the data exchange engine based on xml and mail to apply safe data exchange between the office software in the electronic government network and the government portal in the internet, according to the logic separation of the electronic government network and internet
本論文本著經濟實用的思想,利用成都市現有的電子政務網路進行合理劃分、設計,合理選型國產nc網路計算機( networkcomputer ) 、國產linux操作系統來搭建經濟、夠用的基礎信息平臺:利用開源的java工具開發適合中國國情簡潔、有效的電子政務協同辦公軟體,可滿足政府日常公文流轉、信息溝通、會議管理等需求:根據電子政務外網與公網邏輯隔離的特點,開發基於xml和郵件的數據交換引擎實現電子政務外網中辦公軟體和公眾網中政府門戶網站的安全數據交換。分享友人