表級約束 的英文怎麼說

中文拼音 [biǎojíyāoshù]
表級約束 英文
table-level constraint
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  1. We characterized the security issues in asp - based networked manufacturing system, especially the issue of the user access control. then the typical methods of access control were introduced, which include discretionary access control ( dac ), mandatory access control ( mac ), role - based access control ( rbac ), task - based access control ( tbac ), coalition - based access control ( cbac ) and relationship - driven access control ( rdac ) and so on. based on that, we provided an integrated user access control model, which was composed of rbac, tbac, rdac and cbac

    本章描述了asp和網路化製造系統的安全性問題，尤其是用戶訪問控制的問題；接著介紹了幾種浙江大學博士學位論文典型的訪問控制方法，包括強制訪問控制、任意訪問控制、基於角色的訪問控制、基於任務的訪問控制，以及基於公司關系的訪問控制、基於企業聯盟的訪問控制等;在前面描述的典型訪問控制模型基礎上，給出了一個網路化製造系統的綜合訪問控制模型，包括網路化製造系統的用戶和資源層次關系圖、訪問控制參考模型和訪問控制過程模型，並定義了各個模型中的相關元素和關系，給出了各級約束驗證和授權的表達;最後我們給出了以xacml為基礎的網路化製造系統的訪問控制描述語言。
  2. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合
  3. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。
  4. But also the question " which information can be expressed by the combined accounting statement ? " we describe our structure of the theory of the approach to the combination of financial statement throughout 3 parts. firstly we discuss the foundational theory of the approach to the combination of financial statement, which consists of objective of the combined accounting statement, the amending of the traditional accounting hypotheses, quality of the accounting information and the bounds, premise, principle, procedure of the combination of financial statement ; secondly we probe into the applied theory that consists of purchase method, pooling of interest, new entity method, parent company method and entity method ; at last we point out the authoritative criteria on the combination of the financial statement is the logic finality of our academic structure

    從系統的角度，參照財務會計概念框架的這種邏輯路徑，排列組合相關概念和范疇，則將合併報表會計方法的理論結構分為三個層級：其一是合併報表會計方法的基礎理論，主要包括合併會計報表目標理論、對傳統會計假設的拓展、合併報表信息質量特徵以及合併報表的前提、范圍、原則、程序等；其二是合併報表會計方法的應用理論，是人們對實務中具體的合併報表會計方法的系統化的歸納、總結，主要包括購買法、權益集合法、新實體法以及母公司法和實體法等；其三是合併報表會計方法的技術規范，主要是指由權威部門制定的，對所管范圍內的合併報表等工作具有指導和約束作用，著重反映合併報表實務中帶有規律性的程序和方法的業務性規范。
  5. Type, you can define column - level or table - level constraints

    類型的列時，可以定義列級約束或表級約束。
  6. For database table - level constraint

    表級約束
  7. Table - level constraint

    表級約束
  8. This includes all column - level and table - level constraints in create table, stored procedures, and triggers

    這包括create table中所有列級約束和表級約束、存儲過程以及觸發器。
  9. Because check constraints can reference only the columns on which the column - level or table - level constraint is defined, any cross - table constraints in this case, business rules must be defined as triggers

    由於check約束只能引用定義了列級或表級約束的列，表間的任何約束（在本例中是業務規則）都必須定義為觸發器。
  10. With the diminishing marginal utility, the point of tangency may run to the area far to the central city. through the statistics and analysis, we find out that there are several characteristics in the central city tourism market : ( 1 ) the city tourists tour at weekends and gold weeks, and they want to buy such tourism products as " safe, convenience, short range and cheap ". ( 2 ) they tour by car or by themselves not go with tour team, ( 3 ) and stay out for zero to two nights

    本文重點對中心城市居民出遊市場進行了統計分析，通過分析發現中心城市出遊市場總體表現出以下特點： （ 1 ）城市居民外出旅遊時間除黃金周以外，主要集中在周末，其時間約束型的旅遊產品需求以「安、近、短、廉」為特徵的旅遊產品為主； （ 2 ）出遊方式以自駕車和自主安排為主，團隊遊客的比例在逐步下降； （ 3 ）出遊逗留時間以在外逗留0 ? 2夜為主； （ 4 ）城市居民出遊人群中女性比例高於男性； （ 5 ）出遊目的以近距離觀光、休閑為主，但度假市場正在蓬勃發展，現在中心城市周邊新興的「農家樂」就是度假旅遊的雛形和低級形式； （ 6 ）中心城市銀發市場和教師、學生市場是兩個原來被忽視卻孕育著巨大潛力的細分市場。
  11. The encouragements and control of managers are made up of the three aspects : firstly, the control of the main bank ; secondly, the encouragements of the social status and " ambiguous income " ; thirdly, the soft control and encouragements of the committee of the ceo

    經營者的監督與激勵主要表現為:一是主銀行形成的監替作用;二是精神性激勵與「隱性收入」的刺激;三是總經理會對高級經營者的軟約束。
  12. Abstract : the feature definition and the feature classification are given firstly. then the constraint - based parametric feature model of mechanical part is set up. a graph called feature relation graph is used to represent the feature model and a dynamic linked list to build and store the model. using the oop technique, the author realized the feature model. based on the parametric feature model, the feature hierarchical parametrization is analyzed and a parametric example is also given

    文摘:首先系統給出了機械產品造型領域特徵的定義以及特徵的分類；其次，建立了基於約束的機械產品零件的參數化特徵模型，並用特徵關系圖的形式表達特徵模型，同時採用動態鏈表構建特徵模型並用面向對象技術實現了零件的參數化特徵模型；最後結合實例分析了基於特徵模型的零件特徵分級參數化實現過程。
  13. As the result of the intergovernmental fiscal relation, the behaviors of governments reflect the goals and restrictions of governments ; however the behaviors of governments also adjust and change the intergovernmental fiscal relation. analyzing the behaviors of governments can help us to grasp the essence of the intergovernmental fiscal relation

    政府行為是這些表現形式中，最主要的組成部分，因為各級政府是構成政府間財政關系的行為主體，政府行為反映了政府的目標和所面臨的約束條件，政府行為不僅是政府間財政關系的產物和結果，而且還調節、改變著政府間財政關系。
  14. Security constraints are consistent by modifying security constraint definition, and an effective classification assignment algorithm is given in this paper. we analyze the problem of inference channel and give solution to solve the problem during database analysis and design period. by analyzing the problems resulting from extending single - level transactions to multilevel transactions, we also give a multilevel secure transaction schedule algorithm based multiversion snapshot graph

    本文提出採用主從結構表的方法對blp模型加以改造，使得改造后的blp模型具有較高的可用性和安全性；通過修改安全約束的定義，使得安全約束之間始終是協調的，並給出一種高效的密級分配演算法；討論了推理通道問題，給出了在數據庫分析、設計等階段可以採用的對策；分析了事務從傳統的單級擴展到多級面臨的眾多難題，給出了一種基於多版本串列化圖的事務調度演算法；根據上述理論，開發了一個多級安全數據庫管理系統的原型系統。
  15. Object is used to manage constraints between the dataset tables such as cascading updates and to allow you to navigate between related master and child records

    對象用於管理數據集表之間的約束（如級聯更新） ，並允許您在相關主記錄和子記錄之間移動。
  16. At last, a design example problem of column - gear speed reducer is made. contraposing design character of gear driver, attain the solution of mathematic model of robust optimal design and compared to that of common optimal design. the results show that the gear driver by robust optimal design is higher power to resist disturb and good quality stability and high reliability

    為了證明隨機模擬試驗的穩健優化設計方法的正確性、可靠性和實用性，本文以某二級圓柱齒輪減速器為設計實例，針對齒輪傳動的設計特點，運用隨機約束方向法對穩健優化設計數學模型進行求解，並將一般優化設計結果與穩健優化設計結果進行比較、分析，結果表明穩健優化設計得出的齒輪傳動系統抗干擾能力強，質量穩定性好、可靠性高。
  17. Abstract : in this paper the mathematical model for shape optimization of arch dam subject to crack - depth constraint is estabilshed and the super finite element method ( sfem ) for arch dam cracking analysis is used as the re - analysis method. the research findings on xiaowen arch dam show that the shape optimization of arch dam subject to crack - depth constraint may further help reduce the volume of dam

    文摘:本文引進裂縫深度約束條件，研究了拱壩開裂條件下的體形優化設計問題.結構分析採用超級有限單元法，既能有效控制計算規模又能方便地反映結構開裂的局部特性.對小灣拱壩和溪洛渡拱壩進行的優化設計研究表明，在優化過程中允許開裂並考慮開裂約束條件，可以更好地挖掘拱壩潛力，進一步減小壩體混凝土方量
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