For thecopper and silver complexes, tripodal ligands exhibit rich coordination forms, andthe coppers exhibit different geometry such as square-plan, square pyramidal, andtrigonal bipyramidally geometry.

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At first, the typical 2D and 3D triangulation algorithm of scattered points is discussed in this paper. Then, a space partition strategy with its corresponding data structure and encoding method is proposed by the author in order to improve the triangulating and searching efficiency according to the trend of larger and larger points set.

本文在詳細(xì)研究和分析了典型平面及空間散亂數(shù)據(jù)三角剖分算法思想后91国在线国内，根據(jù)散亂數(shù)據(jù)點(diǎn)規(guī)模越來越大的趨勢(shì)，提出了一種大規(guī)模散亂數(shù)據(jù)的空間劃分方法及相應(yīng)的數(shù)據(jù)結(jié)構(gòu)和編碼方案人妻一级片，縮小了在剖分時(shí)搜尋和遍歷數(shù)據(jù)點(diǎn)的空間范圍亚洲视频免费看，提高了算法效率。

This paper deals with the theoretical analysis and experimental results of the hydrostatic bearing of the valve plate friction pair with triangular throttling groove.

本文對(duì)具有三角阻尼槽的平面配流摩擦副的靜壓支承油膜進(jìn)行了理論分析和實(shí)驗(yàn)研究aaaaaawwwwww网站。

Cross plane truss system.2.net rack system consists of quadrangular awls.3.net rack system consists of triangular awls.

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The paper introduces the latest development and application in the production of engineering survey technology. GPS allocation technology and the combination of GPS and total station have been widely used in plane surveying of control survey. Electron distance trigonometric leveling can replace third and fourth-order spirit leveling in vertical survey. Data collection, processing and drawing by total station has achieved automation and integration in topographic survey, etc.

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This paper presents the Machining Tool geometry of the former flank, the main flank, flank, the main cutting edge, Under the cutting edge tip cutting plane, the main section, the former Kok, horn, wedge angle edge angle, pointed knife, the blade angle, vice horn, Under the Frontier concept, the concept of cutting consumption, and the general circumstances of their choice method for processing slender shaft. cast iron materials, aluminum, stainless steel, rubber materials, plexiglass material, cloth bakelite materials, high temperature alloys, aluminum-magnesium alloy, hardened steel, the typical trapezoidal thread, the thread Triangle, Speaking at the trapezoidal screw thread pitch of the Tool geometry of the selection methods and cutting the amount of cutting fluids reasonable choice.

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In the first place, this paper reviews two main methods in surface triangulations, named as plane-projection and direct triangulation. For the former, Delaunay triangulations are mainly enunciated.

本文回顧了三維散亂點(diǎn)集曲面三角剖分的兩種主要方法即平面投影法和直接剖分法影音资源在线网，對(duì)幾種常用的算法作了較為詳細(xì)的描述，同時(shí)對(duì)剖分算法中經(jīng)常出現(xiàn)的數(shù)據(jù)結(jié)構(gòu)作了詳細(xì)的介紹欧美、日韩一区、二区、三区、四区。。

In the first place, this paper reviews two main methods in surface triangulations, named as plane projection and direct triangulation. For the former, Delaunay triangulations are mainly enunciated. For the later, algorithm developed by B. K. Choi is particularized. Some typical algorithms are introduced in detail, as well as various data-structures built in these algorithms.

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