drawing pre 中文意思是什麼
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Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran
縱觀有限元分析技術的發展，目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性，其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理，必須先將得到的有限元計算結果進行再處理，因此在演算法上分為兩部分：求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎，利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值；在此基礎上；根據已得到的單元及節點序號表、應力應變物理量表，總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。 -
2. on information extraction and recognition, some rules of dimension mark extraction are summarized by analyzing the dimension restriction semantics, then effective methods of extracting text information from heading - table and filtering drawing ’ s peripheral frame are presented, in addition, this paper also discusses cutaway view ’ s recognition and pre - processing. 3
2 .在信息提取與識別方面，分析了尺寸標注約束語義，總結出尺寸標注提取的規則;給出了標題欄信息提取和工程圖紙圖框過濾的方法;詳細討論了有關剖視信息的提取、識別和預處理方法。 -
Polyester brushed tricot, it interweave with 100 % polyester chemical fiber, with pre - finished, dyeing and finishing, scheduling, drawing by hair, finished product finalizing technics.
本產品系全滌化纖原料交織，經前處理、染整、預定、拉毛、成品定型等工藝。 -
Using the electromagnetic radiation technology, this paper tests accurately the distribution of the stress areas in the front of the tunnelling face and on the both sides of the tunnel, confirms and estimates the reasonable hole sealing deepness of the gas pre - drawing in coal body
利用電磁輻射技術，準確測試了採掘工作面前方和巷道兩幫側的應力區分佈，確定和評價了煤體瓦斯預抽的合理封孔深度。 -
4. on original data arrangement of views, first, this paper discusses the instance of line overlap and gives the concept of hidden point, next, a method for breaking line is put forward by the means of handling two lines intersection, at the end, data check and correction is described through topological relationship between primitives and dimension set of drawing. to make a summary, from the viewpoint of practicality, the method of engineering drawing pre - processing proposed in this paper over comes traditional
4 .在視圖原始數據整理方面，首先討論了重疊邊的分解與重構方法;然後給出了隱含點的概念，通過對二維線段相交情況的處理分析了求取隱含點的斷線演算法;最後描述了如何利用實體的拓撲關系檢查輸入視圖中的錯誤以及利用工程圖中的尺寸集來校正這些錯誤。 -
College graduate or above. mechanical, manufacturing, material or related major ； good communication skill, cet4 or above, familiar with cad, pre or other drawing software will be priority
崗位要求：大專及以上學歷，機械/模具設計與製造、材料類等相關專業；具有良好的溝通協調能力，英語四級以上，會熟練使用cad 、 pre等繪圖軟體者優先。 -
Over the years, obsorbing the advanced technology, the association has developed the straight line drawing machines, wet drawing machines, upside down style wire drawing machines, spool take - up, pay - off unit, wheel heat treating winder, heat treatment take - up, pay - off unit, strander machines, pre - treatment line machines
多年來，吸收先進的專業技術，已研製開發了具有國內領先水平的直進式拉絲機，水箱拉絲機，倒立式拉絲機，收放線機組，工字輪熱處理收線機，熱處理收放線機組，預處理作業線，管式股繩機和成繩機。 -
Recurring to pre - process program of ansys and drawing functions of winsurf, pre - process program serving to finite elements auto - division of dam bodies and basements models and post - process program capable of plotting various isolines of stress and dams " distortion are worked out. collecting program of data files necessary for dams " dynamic stability analysis is also finished
藉助于ansys前處理程序和winsurf繪圖功能，用vb6 . 0語言編制了用於進行壩體?壩基模型有限元網格自動劃分的前處理程序和能夠繪制各種應力等值線或壩體變形圖的后處理程序；編制了進行土石壩地震穩定性分析所需要的數據文件集成程序。 -
This software is composed of three modules : the pre - processing, analysis and calculation and post - processing. in the pre - processing, it includes automatic generation of structural meshes, adding contraints and loads and so on ; in the analysis and calculation, the wave - front is used to calculate and establish data files related ; in the post - processing, strong and visual function of vc + + is utilized to display structural deformation graph, contours as well as color cloud pictures. in this last processing, deformation graphs are divided into two types - boundary deformation graph and entire deformation graph in order to show deformation condition entirely ; contour graph comprises isodisplacement graph and isostress graph ; color cloud picture comprises cloud picture of displacement and that of stress, whose drawing principle is isoparametric mapping method
該軟體由三個模塊組成，即前處理、分析計算和后處理。在前處理模塊中，主要包括結構網格的自動剖分、施加約束以及載荷等；在分析計算模塊中，採用波前法計算並形成有關數據文件；在後處理模塊中，利用vc + +強大的可視化功能自動整理計算成果並顯示結構變形圖、等值線圖和彩色雲圖。其中，變形圖分為兩種?外框變形圖和整體網格變形圖，以便能綜合顯示變形情況。 -
On the basis of summarizing the common principle and method of selection of system structure and setting function and means of implementation, we research mainly on such subjects as follows : firstly, we studied the implementation of text extraction and digital signature by cad secondary development technology combine with database technique. secondly, based on method for pre - processing scanning images of drawings, finally, the application of artificial neural network in engineering drawing sign character recognition was researched. in this thesis, we presented the building model and implementation method has some references to the designing work of similar system
在論述系統結構選取、功能構建以及實現技術的一般原理和方法的基礎上，進行了以下幾個方面的研究：首先研究了cad二次開發技術同數據庫技術相結合實現系統圖紙文本信息西安理工大學碩士學位論文提取和電子會簽功能，然後研究了掃描圖紙的圖像處理技術，為圖紙的矢量化和智能識別提供圖形表達準確、圖形要素和字元要素分離的數據源，最後研究了人} _神經網路技術在} _程圖紙標識字元識別中的應用。 -
As the first step of reconstruction, engineering drawing pre - processing plays an important role in 3d reconstruction
其中工程圖信息提取與預處理作為三維重建工作的第一步，對重建工作起著重要作用。 -
Here, under the background of national 973 sub - project, a series of methods of engineering drawing pre - precossing are presented, based on b - rep oriented approach to 3d reconstruction
本文以國家973子課題為背景對基於b - rep重建方法的工程圖信息提取與預處理技術做了深入的研究，取得了一系列研究成果。 -
The method searches the information of 3d features from three - views drawing, and pre - processes the 2d data, and generates 3d solid with opengl, so the method of 3d reconstruction in this paper is general suitable and practicability
本方法是從通用的三視圖中提取三維特徵信息，並對二維信息進行了預處理，在實現過程中採用了opengl技術，因此本文所提出的方法具有普適性和實用性。
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