geometric body 中文意思是什麼
geometric body
解釋
幾何體-
The stability of the design framework and geometric size of the white automotive body plays an important role in the security and productive cost ; whereas the design, production and management of welding jigs will directly influence the accuracy and security of the geometric size of the white body. in view of the current managerial situation and existing problems of the audi car
最後對焊接夾具管理系統優化方案實施后所達到的效果和取得的經濟效益進行了深入分析，並就如何將此成功的夾具優化方案在捷達、寶來等車型廣泛推廣應用，以全面提升一汽-大眾在中國轎車市場的核心競爭力和市場份額進行了探索。 -
This paper includes three chapters. several elementary concepts of pdmp and the extended generator of pdmp are introduced in the first chapter. the classical risk model and the sparre andersen model are introduced in the second one. the third chapter is the main body of this paper in which the ruin problem of sparre andersen model with geometric distribution of claim inter - occurrence times is considered and the lundberg bound is derived
本文共三章。第一章是預備知識，介紹了逐段決定馬爾可夫過程的一些基本概念及pdmp的廣義生成運算元；第二章介紹了經典風險模型及sparreandersen模型；第三章是本文的主體，討論了索賠到達間隔服從幾何分佈的sparreandersen模型的破產問題。 -
Based on the geometric features of reservoir, structure and the spatial variation of bore - seepage, this paper carries out the following six aspects : accurate division of exploitation units ; description of continuity of genetic unit ; division of internal structure unit of sand - body ; investigation of flow unit of reservoir ; research of outside - delimited reservoir ; geologic modeling
旨在對其做一個階段性的小結，從儲集層砂體幾何形態、內部結構以及孔、滲空間變化特徵出發，概述了精細地質研究的內容為細化開發單元、成因單元砂體的連續性和連通性描述、砂體內部建築結構單元的劃分、流動單元的研究、表外儲層研究、地質建模等。 -
This paper consists of three chapters. the first one is the preparatory knowledge underlying this paper, including the basic concepts of the piece - wise deterministic markov processes ( pdmp ), the renewal equation, the key renewal theorem and some results about the classical risk model, which come from [ 2 ], [ 8 ] and [ 9 ]. the second one introduces the results about the general ruin probability in a kind of continuous - time risk model with the deficit - time geometric distribution of inter - occurrence times, in which claim sizes are discretly distributed. these come from [ 6 ]. the main body of this paper is the third one where we derive lundberg bounds, cramer - lundberg approximations to the ruin probability and finite - horizon lundberg inequalities
本文共三章，第一章是奠定本論文基礎的相關知識，包括逐段決定馬爾可夫過程的一些基本概念、更新方程與關鍵更新定理的內容以及經典風險模型的介紹，主要取自[ 2 ] 、 [ 8 ]和[ 9 ] 。第二章介紹了該風險模型在索賠額分佈為一般分佈下的破產概率的一般表達式及相關定理，內容來自[ 6 ] 。第三章是本文的主體，求得了該模型的破產概率的lundberg界， cram r - lundberg逼近以及有限時間破產概率的lundberg不等式。 -
The main work of this paper is establishing the 3d model of the whole bus body and implementing the strength analysis, stiffness analysis, modal analysis and road surface spectrum analysis, synthesized considering the geometric properties, physical properties, material properties. the appraisal to the mechanics performance is produced. the suggestion of the structure improvement is put forward based on the analysis result and is adopted by nanjing iveco company
本文主要工作是綜合考慮對象的幾何特性、物理特性、材料特性，進行了整車三維數模的建立;實現了nj6826tmf車的車身強度分析、剛度分析、固有頻率振型分析和路譜分析，在結構的力學性能上給出了相應的評價;根據分析結果，提出結構改進建議，並得到南汽的采納;對該車的超重問題，以輕量化為目標，提出使nj6826tmf輕量化的設計方案，供南汽參考。 -
In this paper, two parts of the body leg and head are tracked. the lower limb is tracked using geometric characteristics, the original image sequence is first transformed to the distance image sequence, and then the four joints of the leg are tracked on the distance image sequence. based on visual perception, the head is tracked using color information of face and matching is proceeded from coarse to fine matching, fuzzy pattern recognition is also applied during fine matching
論文中，跟蹤了兩個局部部位腿部和頭部的運動，利用人體腿部的幾何特徵，將原始腿部圖像序列變換到相應的距離圖像上，然後對人體腿部的四個關節點運動進行了跟蹤；根據人類視覺識別特性，採用由粗到細的匹配過程和基於面部的色彩信息對圖像中的頭部進行了檢測，並且在細致匹配中利用了模糊模式匹配方法。 -
Shape features include many global shape features, such as invariance moments, geometric shape features and projection statistical features, and many local shape features, such as the ratio of antenna length and body length and antenna statistical projection feature
形狀特徵包括不變矩、幾何形狀特徵和投影量統計特徵等全局形狀特徵，以及觸角與軀體長度之比、觸角統計投影特徵等局部形狀特徵 -
To realize the illusion of bumpy of geometric surface, traditional bump mapping changes the normals of geometric surface instead of changing the geogetric attributes of body surface
傳統的凹凸紋理映射技術並沒有真正改變物體表面的幾何屬性，而是通過紋理來改變物體表面的法向量，從而實現物體表面具有粗糙感的假象。 -
Laser - scanned on - line inspection system ( lois ) involving laser, optics, electronics, fine mechanics, opto - electronic transformation and computer etc, is used to realize high speed and accuracy, non - contact and on - line inspection for rotating body types of parts, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical signals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real - time data processing
激光掃描在線檢測系統是一種基於激光技術、光學、電子學、精密機械、光電傳感技術及計算機等多學科技術於一體的高精度、高速度、非接觸在線檢測系統。它是用可見激光作為光源，把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號，再由計算機進行實時數據處理。給出測量結果，並數字顯示。 -
The numerical simulations show the complete airflow pattern around the tested car. this external flow is very complicated because of the geometric complexity of the car body shape and the interaction of the car with the ground
計算值與文獻值在汽車的前部是重合且一致的，而在汽車頂部卻出現了一些偏差，兩者的壓力系數曲線走勢是基本一致的。 -
Based on the kinematical theory of mbs ( multi - body system ), the focus on this paper is how to implement grinding machine tool application of geometric error compensation and reduce the effect of the geometric error for enhance the accuracy of sk - 21 nc grinding machine tool
本課題以多體系統運動學理論為基礎，將軟體誤差補償技術與凸輪加工這個特定的問題相結合，以sk - 21數控凸輪磨床為研究和實驗對象展開工作，目的在於如何減小幾何誤差的影響，從而提高凸輪的製造精度。 -
A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions
第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲輻射算例，從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對統計分佈源邊界點方法的有效性進行了考證。 -
The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions
第三章導出了邊界點方法分析振動聲輻射問題的誤差估計理論公式，揭示了邊界點方法分析振動聲輻射問題的物理本質；研究了特解場的局部特性對邊界點方法的數值穩定性的影響；改進了現有的特解場構造方法，提出了改進體積源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的聲輻射算例，從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對改進體積源邊界點方法的有效性進行了考證。 -
In this paper the topological structure of multi - body system and their low - order body arrays, and basic concepts of characteristic matrixes and their composing methods are presented, basic rules of having - error kinematics of multi - body system are analyzed, 891e gear measurement center taken as an example, volumetric geometirc errors of gear measurement center based on characteristic matrixes are researched, it provides a kind of ideal method of model building for the precision analysis and geometric errors of gear measurement center
摘要本文闡述了多體系統的拓撲結構和低序體陣列，其特徵矩陣的基本概念和構建方法，分析了多體系統誤差運動的基本規律，結合891e型齒輪測量中心研究了根據特徵矩陣得到其空間幾何誤差的演算法，為齒輪測量中心精度分析和幾何誤差提供了一種理想的建模方法。 -
To construct geometric models, the main stem and the branches of coronary artery are assumed to develop along the surface of a sphere which simulates a heart body so as to obtain more accurate spatial 3d asymmetric descriptive models for the simulation of the coronary artery
研究認為血管作為人體的組織器官，是幾十億年的生物進化的結果。近20年來，人們普遍接受的原理主要有：最小能耗原理：最小阻抗原理；最小容量原理。
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