dimension constraint 中文意思是什麼

dimension constraint 解釋
尺寸約束
  • dimension : n 1 尺寸。2 【數學】次元，度（數），維（數）。3 【物理學】因次，量網。4 〈pl 〉容積；面積；大小，...
  • constraint : n. 1. 強迫，拘束。2. 約束，壓抑，拘泥。3. 強制力。4. 緊張感[狀態]。
  1. In order to obtain the solution for mapping nc code of a parallel machine tool from virtual axis space to real axis space without the construction of mathematical model, a method of using assembly constraint and dimension driven function of cad software was presented

    摘要為了有助於並聯機床數控系統和模擬系統的開發，克服建立數學模型實現機床數控代碼虛實映射計算的缺點，文章提出了綜合利用cad軟體的裝配約束和尺寸驅動功能來實現虛實映射的方法。
  2. Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained

    本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。
  3. The kernel of spm is the triple constraint. both the cost and the schedule are two dimension of the triple constraint

    著名的三維約束是軟體項目管理的核心內容，而成本和進度正是其中的兩維。
  4. The urban spatial structure in this paper is the inner one of a city, is the spatial reflection of the mankind ' s various social economic activities and the function organization of the particular city region, it includes the structure of land use, the spatial structure of economy, the spatial distribute of the population, the spatial structure of employment, the transportation network structure, social spatial structure, the spatial structure of living activities, etc. by field survey of 1134 land - value samples of urban region of siping, based on the correlative theories of the regional economics, economic geography, urban geography and urban economics, adopted the gis and the quantitative and qualitative methods, this article analyzes the character and problems of the spatial structure of siping city during the transitional phase from temporal and spatial factors, discusses the influences of the land - value on the urban spatial structure from temporal, spatial and structural dimension, put forwards the countermeasures that optimizes the spatial structure under the constraint of land - value

    本文所指的城市空間結構為城市內部的空間結構，是人類的各種社會經濟活動和功能組織在特定城市地域上的空間投影，包括土地利用結構、經濟空間結構、人口空間分佈、就業空間結構、交通網路結構、社會空間結構、生活活動空間結構等。本文通過對四平市城區1134個地價樣點數據的實地調查，在綜合運用區域經濟學、經濟地理學、城市地理學、城市經濟學等相關學科理論的基礎上，採用gis ，運用定性與定量相結合的方法，從時間、空間兩個序列分析了轉型期四平城市空間結構特徵和存在問題，並從地價的時間、空間和構成等三方面探討了轉型期四平市地價對城市空間結構的影響，提出了地價約束條件下優化四平城市空間結構的對策。
  5. Four arrays of apparent resistivity are arranged at this measuring surface of granite sample symmetrically with symmetrical four - electrode method, and at an angle of 45 between any two adjacent arrays. the elastic constraint is exerted on 4 surfaces for parallel to the longest dimension of the sample. the samples are compressed along the direction parallel to the longest dimension of the cubic, and the variation of apparent resistivity during the whole loading process is observed

    在花崗巖標本測量面上，布設4條夾角互為45的視電阻率測線，將標本平行長軸方向的4個面加上彈性約束，沿標本長軸方向加壓，測量標本視電阻率隨軸向應力的變化，實驗結果為： 1巖石視電阻率變化形態顯上升-平穩-下降形態，但平穩段不明顯，時間很短2視電阻率開始下降時間，比其他受力方式實驗結果都早，約提前10 %破裂應力。
  6. Abstract : since nearly all of the dimension parameters in technological process planning are coupled together, manual method in the process dimension parameter planning ( pdpp ) is not always efficient and effective. in order to increase design efficiency and effect, an essential mathematic model about pdpp is established, and two basic constraint sets are given. this model is not only helpful to realize the automation and optimization of pdpp, but also useful to verify the correctness of existing pdpp methods and to find better pdpp methods

    文摘:由於工藝過程設計所涉及到的所有尺寸參數幾乎都是耦合著的，因此採用人工的、憑借經驗的方法進行工序尺寸參數設計常常效率甚低.為了提高設計效率及經濟效果，建立了一種工序尺寸參數設計的基本數學模型，並給出了兩個基本可行域的結構.該模型的建立不僅可用於實現工序尺寸參數設計的最優化和自動化，而且可用於證明已有方法的正確性及發現更好的設計方法
  7. Effective approaches are put forward which to define hierarchical levels of design parameters, classify along with dynamic and intelligent solve various engineering design constraints, and parameters information database, dimension constraint functions database and knowledge constraint database are establishes

    文中對設計參數的層次化定義、約束的分類及其動態化和智能化處理提出了有效的解決方案，並建立了參數信息數據庫、尺寸約束函數庫和知識約束庫。
  8. The class acquisition of expression mode semantics, projection relationship semantics and dimension constraint semantics, and integration acquisition technology of tangency combined relationship, interpenetrate combined relationship and intersected combined relationship are emphatically introduced, which lay the foundation for further primitive recognition

    重點介紹了表達方式語義、投影關系語義和尺寸約束語義的分類獲取技術，以及相切組合關系、相貫組合關系、截交組合關系語義的整合獲取技術，為后續基元體信息的識別、理解和獲取奠定基礎。
  9. According to the model, in respect of the content of engineering drawing the semantics is divided into the projection relation semantics, the expression mode semantics and the dimension constraint semantics. in respect of the deepness of information, the semantics is classified into the lower semantics, the middle semantics and the upper semantics

    該模型從類別化的角度分為投影關系語義、尺寸約束語義和表達方式語義，從層次化的角度分為底層語義、中間層次語義和高層語義，從網路化的角度得到各個類別、各個層次之間的語義。
  10. In chapter 3, by identifying of geometric features of all basic entities, the shaping information of all basic entities of a part is recognized, and the carrier information for constructing dimension model is extracted. according to interrelations of all basic entities, and connections between shaping dimensions and topological structures of basic entities, a new method is presented to identify disappearing dimensions caused by interacting features. at the same time, a new strategy to create locating constraint dimensions and convert locating constraint dimensions to locating dimensions is introduced

    在第三章中，通過基元體的幾何特徵識別出零件體中各個基元體的幾何形狀，並提取生成尺寸模型所需的載體信息；根據定形尺寸同基元體拓撲結構之間的聯系和各基元體之間的相互關系，提出了由相交特徵引起的消失尺寸的確定方法；介紹了基元體之間定位約束尺寸的生成方法，以及山定位約束尺寸轉化成定位尺寸的調整策略。
  11. The algorithms to testing the feature position constraint are brought forward, and obtain the constraint dimensions of the combined entity. firstly, the geometric and dimension characteristic of different feature primitive is analysed

    首先，對組成組合體的不同特徵的基元體進行幾何及尺寸特性分析，引入了基元體的隱式幾何形狀特徵位的概念，詳細討論了隱式幾何形狀特徵位的分類。
  12. The notion of explicitly geometric shape feature position of primitive is introduced, and the classification of explicitly geometric shape feature position is studied carefully. secondly, taken the combining principle of combined entity as the basis, the notion of explicitly geometric shape feature position constraint of combined entity is introduced. the classification - the explicitly reductive capacity to location dimension, constraint degree, dividing constraint level of explicitly geometric shape feature position constraint are systematically studied

    其次，對組合體的組合機理進行了分析，並在此基礎上，引入了組合體的隱式幾何形狀特徵位的概念，系統的討論了組合體的隱式幾何形狀特徵位約束的分類、組合體的隱式幾何形狀特徵位約束對定位尺寸隱含性縮減的性質、組合體的隱式幾何形狀特徵位約束的約束度、隱式幾何形狀特徵位約束的優先級別劃分。
  13. In this paper, based on analyzing the forming regularity, geometric characteristic and dimensioning factor of primitive and combined entity, the notion of explicitly feature position of geometric shape of primitive is introduced, the classification is dicussed. the notion of explicitly feature position constraint of geometric shape of combined entity is introduced. the classification, the explicitly reductive property for location dimension, the constraint of the explicitly feature position constraint of geometric shape of combined entity degree are systematically analyzed

    本文通過對基元體和組合體的形成規律、幾何特性及尺寸要素分析的基礎上，引入了基元體和組合體的隱式幾何形狀特徵位的概念，系統地分析了隱式幾何形狀特徵位約束的分類、及其約束度等概念；提出了定位尺寸預先加入的策略及隱式幾何形狀特徵位約束對定位尺寸的隱含性縮減的性能，並建立了求解組合體的尺寸約束解的推理求解公式；通過引入基元體的隱式幾何形狀特徵位和組合體的隱式幾何形狀特徵位約束等概念，把尺寸約束解的求解轉化為對基元體的隱式幾何形狀特徵位相互之間的位置關系。
  14. In the following, based on that theories analysis and the 3d space of primitive and combined entity is existed, a new strategy appending the location dimension beforehand is applied, and the formula to solving the constraint dimensions is established. the algorithms to testing the feature position constraint among the primitive are brought forward

    進而，在以上理論分析和三維形體所處的空間基礎上，提出了定位尺寸預先虛擬加入的策略，給出求組合體尺寸約束解的推理求解公式，通過此公式西安建築科技大學碩士論文可求解出組合體的尺寸約束解。
  15. The iea is applied to the study of the discharge port optimization planning and the application shows that this algorithm not only achieves good results, but also successfully solves the problems such as nonlinear objective function, complicated constraint condition and dimension disasters in it

    把該演算法應用於排放口最優規劃，結果表明：免疫進化演算法不僅取得了良好的應用效果，而且成功地解決了此類問題中存在的非線性目標函數、約束條件過于復雜、 「維數災」等問題。
  16. To solving the constraint dimensions, a new strategy appending the location dimension beforehand is applied, and the formula to solving the constraint dimensions is established

    給出了特徵位約束的判別演算法，最後求得組合體的尺寸約束解。
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