section line造句
造句與例句
手機版
- An algorithm for generating terrain section line based on tin
的地形剖面線生成算法 - An algorithm for generating section line based on tin of coal bed
模型的剖面線生成算法 - Ansi standard section line display ansi
標準截面線顯示 - Ansi standard section line display
Ansi標準截面線顯示 - Studying on dynamic simulation and final section line - packing of long - distance gas pipeline
燃氣長輸管道動態(tài)模擬及末段儲氣研究 - A fast algorithm uses sub section lines to near some functions of arc tangent . in the minutiae matching stage , we improve the minutiae - matching algorithm to degrade the time cost
在指紋特征匹配階段,對原有的基于特征點匹配算法進行了改進,縮短了指紋特征匹配的運行時間。 - A new lom process , in which the slice sheet is cut along the tangent of normal section line in z - axis direction , is proposed to reduce the theoretical manufacturing error and remaining material quantity
為減小造型誤差，提出了新lom方法，即沿過分層板中點造型曲面z向法截線的切線切割分層板。 - To the bezier surface fitting , skimming is used after the cross - section line is fitted . optimal design is brought to the modeling of nurbs surfaces to resolve practical problems . lastly taking a specific example in this paper
對于b zier曲面擬合，首先擬合截面線，繼而采用蒙皮方法實現(xiàn)；對于nurbs曲面擬合采用nurbs曲線曲面優(yōu)化算法實現(xiàn)；給出擬合的實例。 - The common methods of realization of visualization in scientific calculation are suggested in this paper , and the calculation example in engineering indicates that the visualization system of hydraulic tunnel section lining design is practical and steady
本文論述了實現(xiàn)科學(xué)計算可視化的一般方法，并通過計算工程實例，證明了水工隧洞斷面襯砌計算可視化系統(tǒng)的實用性和穩(wěn)定性。 - Based on review of hydraulic tunnel developments both domestic and abroad , the advance of computer aided design of the tunnel section lining is summarized , the visualization system of hydraulic tunnel section lining design is researched
本文根據(jù)水工隧洞建設(shè)的發(fā)展需要，在分析和總結(jié)了目前水工隧洞斷面襯砌計算機輔助設(shè)計發(fā)展狀況的基礎(chǔ)上，研究了水工隧洞斷面襯砌計算的可視化系統(tǒng)。 - It's difficult to see section line in a sentence. 用section line造句挺難的
- In order to generate tool - path quickly , another method is presented . it can generate interference free tool - path directly from the section line of the triangulated surface model . search each vertex of the model to get the triangles which may be interfered using the radius of the cutter
為了解決這一問題,本文又提出了基于加工曲面的截平面法,通過刀具投影和曲面模型節(jié)點坐標的位置關(guān)系確定可能發(fā)生干涉的小三角片的集合,以加快干涉檢測的速度,然后在這個集合上生成無干涉刀位點。 - This thesis primarily makes below the work of a few aspects : ( 1 ) the method to append the section line in the geological section plane and the geological plane graph intersected each other ; ( 2 ) the principle and method that automatic determinate of orebody on transverse section with the neural network theory was presented , and draw the slippery boundary of ore ; ( 3 ) the method that drawing the surveying well and lane way engineering in the geological and survey graph ; ( 4 ) the method to automatic calculation and statistics output ore reserves and grade ; ( 5 ) the method that automatic creating the geology cross section of the hole ; this thesis realizes automation for managing geological graph based on the substantive research work
本論文主要作了以下幾個方面的工作： ( 1 )提出了在相交平面圖和剖面圖中添加剖面剖切線的方法； ( 2 )提出了應(yīng)用人工神經(jīng)網(wǎng)絡(luò)理論確定剖面中礦體界線的理論和方法以及礦巖界線圓滑的原理與方法； ( 3 )實現(xiàn)了礦山生產(chǎn)實測工程數(shù)據(jù)處理與地測圖件的有機結(jié)合； ( 4 )實現(xiàn)了礦塊地質(zhì)品位和儲量的自動計算和統(tǒng)計輸出； ( 5 )提出了中深孔炮孔排面地質(zhì)剖面圖自動剖切的原理和方法。本論文在大量研究工作基礎(chǔ)上，實現(xiàn)了地測圖件管理的計算機自動化。 - This process is as follows : firstly , the data of different section contour and of section line have been obtained by reverse - engineering ; secondly , non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance , sequently the adaptive sampling data is transformed into the format of the . ibl file of the famous 3 - d design software pro / e . therefore we reconstruct the surface and a model is generated ; lastly , the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments
建模型的過程中，首先運用逆向工程測量方法，獲得曲面物體上不同截面輪廓線的測量數(shù)據(jù)點列，接著對測量數(shù)據(jù)點進行平滑處理，用最小二乘法求解基于數(shù)據(jù)點列的控制多邊形，以非均勻三次b樣條曲線擬合截面輪廓曲線；然后利用基于垂距的數(shù)據(jù)采樣算法，對擬合曲線上的數(shù)據(jù)點進行重新采樣，達到優(yōu)化數(shù)據(jù)點的分布及減少描述曲線數(shù)據(jù)量的目的。
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