The result shows that the line laser with the uniform intensity distribution can be obtained by changing the cylindrical lens parameters under the condition of far field.

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Based on mathematical mechanization method and computer symbolic processing technique this paper carried out a solution by symbolic method for position analysis of robot with octahedral and decahedral variable greometry truss.

基于數(shù)學(xué)機(jī)械化方法和計(jì)算機(jī)符號(hào)處理技術(shù)日韩欧美一区二区在线观看，對(duì)八面體及十面體變幾何桁架機(jī)器人的位置分析進(jìn)行了符號(hào)法求解，成功地將非線性位置約束方程組化簡(jiǎn)為等價(jià)的三角化方程組91绿帽人妻网站，分別導(dǎo)出了單變量的16次和48次代數(shù)方程国产日韩AV免费无码一区二区三区，并給出一個(gè)數(shù)字實(shí)例說明這種方法。

By the 1980s, except for the Concorde and Space Shuttle, the delta wing appeared headed for obsolescence.

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Guided by the cognitive grammar theory and the two-triangle-theory , the thesis makes multi-perspectived description and analysis, and tries to combine form and meaning, static studies and dynamic ones, descriptiveness and prescriptiveness.

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This group, which includes such famous names as Stegosaurus and Triceratops, is one of the two clades into which the dinosaurs are divided. The other is the Saurischia, whose famous members include Diplodocus and Tyrannosaurus. The Saurischia also include all the immediate ancestors of birds.

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The reason why the model is based on Voronoi diagram and Delaunay triangulation is that one of the main factors of directional relationships is visible field of two objects, and the visible field is adjacent part of two object, so direction calculation of two objects may be limited in the adjacent field.

模型的建立之所以借助于Delaunay三角網(wǎng)和Voronoi圖建立空間方向關(guān)系計(jì)算和描述模型免费视频好爽好湿叫国产，是因?yàn)闆Q定兩目標(biāo)之間的空間方向關(guān)系的主要因素之一是這兩個(gè)目標(biāo)之間的可視區(qū)域在线观看免费观看国产黄p，而可視區(qū)域恰好是它們的鄰近區(qū)域，因而兩目標(biāo)的空間方向計(jì)算問題可以歸結(jié)為目標(biāo)間鄰近區(qū)域內(nèi)的問題久久精品亚洲国产一区二区。

The memorandum book of a collaboration that promotes countersign arrange according to harbor of Shanghai of development of council of district of bay of the United States before this and the Yangtse River, both sides will be in the domain such as research of investment of line of business of progress of new and high technology, city, service, trade, education begins collaboration, as initiate and coordinate an orgnaization, both sides will devote oneself to to drive bay area, long triangle and even Shanghai to build benign commercial associate and investment interactive relation.

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In simulating a two-dimensional Poiseuille flow and a driven cavity flow on an equilateral triangle ,numerical accuracy and stability of the schemes are discussed.

通過二維Poiseuille流和等邊三角域上空腔流的模擬亚洲一区国产精品，討論了這3種格式的數(shù)值精度和穩(wěn)定性。

In view of the coefficients of CDF9/7 wavelet filter are irrational number, we use the trigonometric function transform to factorize the perfect restruction and the biorthogonal conditions of biorthogonal wavelets filter banks, then optimize the coefficients of the original 9/7 wavelet filter banks, consequently a novel 9/7 wavelet filter banks with binary digit coefficients can be obtained.

2針對(duì)CDF9／7小波系數(shù)為無理數(shù)的缺點(diǎn)狼友视频在线播放，對(duì)CDF9／7小波濾波器組的完全重構(gòu)條件和雙正交條件進(jìn)行三角基函數(shù)變換和因式分解影音先锋每日资源站，并對(duì)求出的小波濾波器系數(shù)進(jìn)行優(yōu)化設(shè)計(jì)，得到一組濾波器系數(shù)都為二進(jìn)制分?jǐn)?shù)的9／7雙正交小波濾波器組黄色在线观看视频网址，大大降低了離散小波變換的算法復(fù)雜度国产人成777在线视频直播。

Constrained triangulation plays an important part in finite element analysis and information visualization,also it is a hotspot problem of computational geometry and computer aided geometric design.

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