mdt 中文意思是什麼

Finally, this thesis has introduced a modeling and simulation case of horologe in the fuze system, by using the mdt ( mechanical desktop ) and working model

最後，本文介紹了利用三維造型軟體mdt和動力學、運動學模擬軟體workingmodel ，對引信系統的鐘表機構進行了建模、模擬的應用實例。

( 3 ) based on a close research of the cad model representation in mdt, this paper picks up the model information expressed in the boundary representation ( b - rep ) using the development kits of objectarx and mdt api offered by autodesk inc. ( 4 ) the direct slicing data are processed so as to realize the sorting and fitting of short lines, the cutting tool compensation, the layer contour filling and the optimization of the scanning paths, etc. ( 5 ) designs the architecture of rp data processing software according to the functional requirement of rp, and integrates all the functional modules

（ 3 ）在深入研究mdt （ mechanicaldesktop ）中三維模型表示方法的基礎上，運用autodesk公司提供的mdt二次開發工具objectarx和mdtapi ，成功地實現了對mdt模型信息的提取，進而使直接自適應分層演算法得以實現。 （ 4 ）對直接分層得到的數據進行了工藝規劃。實現了對層片輪廓線段的排序、擬合、刀具補償以及輪廓內部填充和掃描路徑優化等。

( 2 ) based on a close research of the interior representation of cad model in mdt, this thesis picks - up the interior topological and geometrical information of model expressed in the boundary representation ( b - rep ) using the development tools of objectarx and mdt api offered by autodesk inc. the picking - up information makes it successful to implement the adaptive slicing method

（ 2 ）研究了mdt軟體平臺下cad模型數據的內部表達方法，運用autodesk公司提供的mdt二次開發工具objectarx和mdtapi ，實現了mdt模型的幾何信息和拓撲信息提取，使自適應分層演算法得以實現。

We derive and prove some system reliability indexes such as reliability, instantaneous availability, steady - state availability, mut, mdt and so on for these three new models. some numerical examples are given to illustrate the results in the thesis

本文對所建立的三個新模型的一些可靠性指標，其中包括瞬時可用度、穩態可用度、平均停工時間、平均開工時間、忙時等，進行了推導與證明，並對結果進行了分析與數值演示。

The method takes advantage of bezier curve to work out a set of blade profiles of centrifugal pump, using thickening law to thicken the profiles. then the pressure and suction lines of the blade can be obtained. it takes advantage of bezier surface to create pressure and suction surface and makes use of mdt software to create the three - dimensional blade entity

首先採用速度系數法計算得到離心泵葉輪的基本參數，再由b zier曲線生成一組葉輪葉片型線，按照加厚原理對型線進行加厚，得到正背葉片線，再採用張量積b zier曲面生成葉片正背面，由mdt進行三維實體造型得到葉片，從而得到流場計算區域的模型。

It mainly involves in the production and sales business of dongfeng brand h & mdt, spv, buses, bus chassis, key auto assembles ( such as engine, cabin, frame, etc ), casting and forging

主要業務為東風品牌的中重型載貨汽車、專用車、客車、客車底盤及發動機、駕駛室、車架等總成零部件與鑄鍛毛坯件的生產與銷售。

Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design

根據閥門cad發展趨勢，針對成都乘風閥門有限責任公司閥門設計現狀，本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統，主要完成的工作和成果如下：根據公司提供的幾種不同結構閥門的二維工程圖紙，利用mdt三維設計平臺建立了三維參數化基本圖形庫，其中包括所有零部件和總裝配模型圖及二維工程圖；依照閥門設計的一般步驟設計了參數編輯器，用來對閥門尺寸參數進行編輯、輸入、輸出等，具有參數雙向同步顯示功能，使用十分靈活方便；根據用戶的需求，為了使設計達到精確、可靠、實用的要求，設計開發了輔助計算器，能自動完成閥門設計過程中所需的各種結構計算，並可以輸出閥門設計計算說明書；為了使設計人員更具有競爭力，本系統利用internet intranet技術設計開發了虛擬設計中心子模塊，虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能，可以讓設計師直接使用服務器上的應用程序，與intranet internet上的其他設計專家進行交流、共享軟體資源，實現遠程協同設計。

This strain ' s virulence was judged by mean death time of chick embryos ( mdt ), intracerebral pathogenicity index in day - old chicks ( icpi ) and intravenous pathogenicity index in 6 - week - old chickens ( ivpi ) and it was found to be the virulent strain. at last, it was tested by the recurrent infection and found that it was the newcastle disease virus ( ndv ), and it was named hbg - 1 strain. in order to find the difference of the cleavage site of this strain with f48e9 and ? 30 strain, a part of the cleavage site of fusion protein gene fragment was amplified by rt - pcr using a primer and sequenced. the sequence analysis showed this strain had low homology with f4ge9 and cso. a phylogenetic tree based on the published sequences of ndv reference strains was constructed and showed the isolated strain hbg - 1 belonged to the genotype w ndv, a novel genotype ndv

為了進一步探尋分離株與標準株的異同，又採用rt - pcr方法，擴增獲得分離株f _ o裂解位點附近的基因片段，經測序后與國際上已發表的新城疫病毒的核酸序列進行比較，結果表明其與標準株和疫苗株之間的同源性較低，僅為82 86之間。經系統發育進化樹分析后，判定該分離株為新城疫病毒（ ndv ）基因型。運用計算機軟體對其裂解位點處的氨基酸序列進行預測和分析，結果表明該分離株為新城疫病毒強毒株並具有基因型的典型結構特徵。

We take the mdt as development platform, and take arx, vc + + and mfc class libraries as development tool, make secondary development on mdt, to abstract data that inspection requires

以mdt為開發平臺，利用arx ， vc + + ， mfc類庫三者相結合作為開發工具，對mdt進行二次開發，獲取檢測所需數據。

In the sixth chapter, assembly dimension chain and tolerance analysis system was build on mdt. three examples are studied to demonstrate that the tolerance mathematical model, assembly feasibility and assembly quality analysis theory can be used in practice and the theory and method presented in this thesis is in effect

第六章：開發基於mdt的裝配尺寸鏈生成與公差分析原型系統，以三個實例分別演示了公差的數學建模，裝配可行性分析與裝配質量分析理論在工程實踐中的應用，驗證文中所提出的理論與方法。

References design and emulator of cam mechanisam based on mdt

的平面凸輪參數化設計及運動模擬

Information extraction in mdt and its application in case - based design

中的信息提取及其實例設計中的應用

Mdt ; mean down time

平均不可用時間

Direct slicing has been realized with software mdt because using visual lisp programming language

直接切片的方法在mdt （ mechanicaldesktop ）軟體平臺上利用visuallisp語言編程得到了實現。

Some microsoft clustering algorithm and mdt data mining models are created base on relational database and olap database

分別基於關系數據庫和olap數據庫建立微軟聚集數據挖掘模型和微軟決策樹數據挖掘模型。

In this paper, a relay assembly computer aided process planning system ( racapp1. 0 ) developed on mechanical desktop ( mdt ), 3ds max and h _ cad developed by us is discussed

本文論述了自行開發的繼電器裝配capp及裝配過程模擬系統（ racapp1 . 0 ） 。

We discuss the realization of distillation contour line from the scan image of the paper map and propose the multi - dimensional thresholding ( mdt ) to deal with the color image segmentation

第二章介紹了圖像處理中的一些常用技術，包括彩色圖像分割，圖像濾波，圖像細化等。

Considering the above issues, this paper deals with the direct and adaptive slicing methods of cad model, and develops the rp data processing software based on the mechanical desktop ( mdt ) software

針對上述問題，本文在深入研究直接分層和自適應分層方法的基礎上，基於mdt軟體環境，開發了rp數據處理軟體。

Aiming at the issues above, this thesis deals with the direct and adaptive slicing methods of cad model, and develops the data processing and device driven system based on the mechanical desktop ( mdt ) software

針對以上問題，本文基於mdt軟體環境，在深入研究rp自適應分層方法的基礎上，開發了rp數據處理及設備驅動程序，為實現cad capp rp一體化奠定了基礎。

In the visual c + + 6. 0 environment of the objectarx and mfc class libraries, graphical data are obtained by secondary development of mdt, inspecting path planning is laid and the inspecting program is made automatically

在objectarx的開發環境visualc + + 6 . 0下，結合mfc類庫，對mdt二次開發，提取圖形數據，制定檢測路徑規劃，自動生成檢測程序。