曲面行 的英文怎麼說
中文拼音 [qūmiànháng]
曲面行
英文
surf row-
This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method
本文通過合理利用反求軟體中的造型工具和分析工具,正確劃分反求模型的造型區域,使用正確的曲面造型方法,對反求曲面的特徵網格線進行二次優化,並對突變曲面進行擬合再生成處理及建立合理的曲面生成順序等方法,最終獲得了仿型度和光順度都很高的反求曲面。The factors affecting the trehalose production were studied in this paper. the placket - burman design method and respond surface analysis method were used to optimize the medium and the reaction conditions were optimized too
應用正交設計、 plackett - burman實驗設計和響應曲面分析法確定了最佳的培養基配方,並對反應條件進行了優化研究。The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established
論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly
與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,降低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。The method, firstly, grids the precipitation amount by conicoid, then judges and traces isoline and brings forward a way of how to avoid connection uncertainty of isoline
該方法首先用二次曲面對不規則站點雨量進行格網化,然後在格網上對等雨量點進行判斷、追蹤以及在追蹤過程中如何消除追蹤的二義性。Curved glass was the popular contrivance for producing not truth but illusion, untruth.
曲面鏡不是用來產生真實影像,而是用來產生幻影(即假象)的流行器件。So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied
為了使研究更加貼近於工程,便於解析處理,提出準面的概念,並確立由準面到準線的研究路線,給出了各種傳動形式下準面與準線的具體特徵,證明了共軛準面上兩準線的誘導測地曲率等於零的這一不干涉條件,進而指出,當準面為平行軸和相交軸傳動的節曲面時,不干涉條件自然滿足。Because traditional epistasis measure methods can only reflect the extent of interaction between all genes in the chromosome, we used correlation length analysis and epistasis measures on the fitness landscapes of schemata to test the extent of interdependence between some certain gene loci in study
針對傳統的測試基因關聯的方法只能給出染色體中所有基因位的整體關聯程度的情況,通過在模式適應值曲面上分別進行相關長度測試和基因關聯測試,以研究染色體中一些特定位之間的基因關聯程度。This paper deals with the optimal development of curved surfaces in 3 - dimesion euclidean space
本文以三維歐幾里得空間曲面為對象,對其展開與優化問題進行了研究。Due to the requirements of complex configuration of spatial curved surfaces and of continuity of fiber laying have becoming a difficult problem in cad technology for bicycle body frame of hybrid fibered compound material with multi - branch special shaped entire - body and sections of hollowed thin wall
摘要對于多分支整體異形空心薄壁斷面混雜纖維復合材料自行車車架,由於復雜的空間曲面構形和纖維鋪設連續性要求成為其cad技術難題。The following is main research work : 1. geometry characters ( such as tangent plane and normal plane etc. ) and differential coefficient characters are theoretically analyzed in detail, then the intersection differential coefficient system model for trace is constructed
在理論上,系統地分析了交線的幾何特徵(如切平面和法平面等)和微分特徵(如曲面的一階基本齊式等) ,建立了交線的微分系統跟蹤模型,從而為今後進一步研究求交問題提供了一個可行的途徑。On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid
本文在具體的教育理論指導下,闡述了研究性學習的內涵及特點;在大學物理中實施研究性學習的意義;以及就研究性學習的實質和所需具備的客觀條件而言,論述了研究性學習在高校中實施的可行性;並根據大學物理教育具有周期性相對較長和專業循序漸進的特點,提出了研究性學習的階段性模式,並給出了具體的實例,利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。The approach includes ( 1 ) obtaining the cutter - location data based on parameter curves. ( 2 ) tessellation of the trim nurbs surfaces into triangles. ( 3 ) interference detection and tool - position correction
在曲面的參數線上規劃刀位軌跡,將曲面用三角片離散逼近,利用刀具曲面與三角片的幾何相關性進行干涉檢查及刀位修正。Reading graphics files and dispersing curves and surfaces. after lucubrating current algorithms dispersing trimmed surfaces, the mapping method is adopted. to avoid unnecessary or repeated calculations, a new tessellation algorithm for trimmed surface is introduced
在深入分析目前流行的裁剪曲面離散演算法的基礎上,採用映射法對裁剪曲面進行離散,並針對面向網路會議的圖形瀏覽器要求圖形數據、剖分速度快的特點,提出了一種基於編碼的裁剪曲面離散演算法; 3Using the normal and neighbor relationship, classification of scattered data points is realized according to the quadric surface. the typical algorithms of surface reconstruction from 3d scattered data points are introduced, and then we discuss the current surface tessellation algorithms about their adaptive range, low efficiency
本文首先對三維散亂數據點重構曲面的典型演算法和現有的曲面網格劃分演算法進行了分類與比較,針對現有的散亂點曲面重建演算法存在的低效率和局限性問題提出了相應的解決方案。In this thesis, the surface reconstruction for unorganized points, and the design and implementation of the system for constructing the finite element mesh
本文主要在基於散亂點的三維重建演算法,曲面有限元網格自動生成工具系統的設計和實現等方面進行了研究和探討。When no damaged compartment, damaged stability calculation is just intact stability calculation and when waterplane is horiental, geometric properties calculation is the base of hydrostatic curves. because ship hull is a kind of typical free - form surface, it is satisfactory to be modeled with nurbs
在這種情況下,船舶靜力學性能的計算,可以突破以往計算中所必須的一些假設及簡化,而是直接通過船舶靜力學性能計算的基本原理,在船體曲面圖形上直接進行計算。The problem of triangular mesh based c2 - continuous piecewise bi - cubic b - spline surface reconstruction has been studied
對分片雙三次b樣條曲面重建問題進行了研究。Hole repairing in triangular mesh models and piecewise smooth b - spline surfaces fitting have been studied in this dissertation
本文對三角網格模型上的孔洞修補及分片光滑b樣條曲面的擬合技術進行了研究。After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect
在解決多曲面有角點的拼接問題中引入了運籌學的優化方法,改善了多曲面拼接的效果,而且在ugii造型軟體的基礎上,用visualc + + 、 ug / openapi進行二次開發,加入了壞點剔除,曲線光順,曲面片之間的拼接等功能,很好的解決了反求工程中所遇到的問題。分享友人