词语大全 定位尺寸的英文
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词语大全 定位尺寸的英文
In the shaping level , the connection beeen the shaping dimensions and topological structures of basic entities is set up ; in the locating level , the influence of geometric elements and engineering structures on locating dimensions is expressed
在定形功能語義層中，建立了定形尺寸同基元體拓撲結構之間的聯系；在定位功能語義層中，揭示了基元體幾何元素和實際工程結構對定位尺寸的影響。
The notion of exppcitly geometric shape feature position of primitive is introduced , and the classification of exppcitly geometric shape feature position is studied carefully . secondly , taken the bining principle of bined entity as the basis , the notion of exppcitly geometric shape feature position constraint of bined entity is introduced . the classification - the exppcitly reductive capacity to location dimension , constraint degree , dividing constraint level of exppcitly geometric shape feature position constraint are systematically studied
其次，對組合體的組合機理進行了分析，并在此基礎上，引入了組合體的隱式幾何形狀特征位的概念，系統的討論了組合體的隱式幾何形狀特征位約束的分類、組合體的隱式幾何形狀特征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征位約束的約束度、隱式幾何形狀特征位約束的優先級別劃分。
In this paper , based on analyzing the forming regularity , geometric characteristic and dimensioning factor of primitive and bined entity , the notion of exppcitly feature position of geometric shape of primitive is introduced , the classification is dicussed . the notion of exppcitly feature position constraint of geometric shape of bined entity is introduced . the classification , the exppcitly reductive property for location dimension , the constraint of the exppcitly feature position constraint of geometric shape of bined 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征位的概念，系統地分析了隱式幾何形狀特征位約束的分類、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征位約束對定位尺寸的隱含性縮減的性能，并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征位和組合體的隱式幾何形狀特征位約束等概念，把尺寸約束解的求解轉化為對基元體的隱式幾何形狀特征位相互之間的位置關系。
In the following , based on that theories analysis and the 3d space of primitive and bined entity is existed , a new strategy appending the location dimension beforehand is appped , and the formula to solving the constraint dimensions is estabpshed . 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，通過此公式西安建筑科技大學碩士論文可求解出組合體的尺寸約束解。
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 beeen 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征識別出零件體中各個基元體的幾何形狀，并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，提出了由相交特征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。
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