- 更多网络例句与四面体地相关的网络例句 [注：此内容来源于网络，仅供参考]
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Nutlets dark brown, oblique subulate, trigonous-tetrahedral, 1-1.5 mm, shiny, usually glabrous, adaxial bottom surface prominent, 2 lateral surfaces equal, a longitudinal rib at their juncture; abaxial surface convex, ovate, acutely 3-ribbed; carpophore sharply curved.
小坚果暗褐色，斜的钻形，三棱四面体，1-1.5毫米，发亮，通常无毛，正面的底部表面突出，背面凸，卵形，尖锐3肋；果瓣柄明显地弯曲。
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The variable geometry truss mechanisms have been studied extensively and systematically by this project. The research plan has been completed all sidedly, and expected results have been obtained. Three new kinds of combination decahedrons and a new class of variable geometry truss mechanism, which is composed of an octahedron and three tetrahedrons connected in parallel form, are proposed. The position analyses for decahedrons, dodecahedrons, triple-octahedrons, combinations decahedron and a new type of structure of variable geometry truss mechanisms are presented by introducing additional extra linear displacement sensors and using resultant elimination and homotopy continuation algorithms. The method of kinematical analysis of variable geometry truss mechanisms is established.
课题组对变几何桁架机构进行了深入的研究，全面地完成了研究计划，取得了预期的成果；提出了三种新的十面体组合机构以及由一个八面体和三个四面体组成的新型变几何桁架机构的结构形式；应用结式消元、附加传感器和同伦方法等提出了十面体、十二面体、三重八面体、组合十面体和新型变几何桁架机构的位置分析方法；建立了变几何桁架机构运动分析的一般方法；建立了简洁的凯恩和拉格伦日动力学的模型；应用有限元和子结构方法，提出了变几何柞架机构弹性动力学模型，导出了逆动力学方程的显式形式；设计和研制了一台可折叠的八面体变几何杵架机构装置等。
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The resulting materials were characterized by x-ray diffraction, Fourier transform infrared spectroscopy, Nuclear magnetic resonance and Photoluminescence. Those spectra reveal that by adding SiO2 to YAG:Ce precursor, the lattice constant decreases while vacancies are generate due to the co-dopant ions (Si4+) replaces in the place of Al3+ sites of YAG:Ce system. YAG:Ce phosphors with Y3+ dodecahedral site replaced by Ce3+ and diffused effectively as an activator, as a result the photoluminescence intensity increased about ~20-30%.
研究成果显示，掺杂SiO2之YAG：Ce萤光粉经过高温热处理后，由X光绕射、红外线吸收光谱仪以及核磁共振可以得知，当SiO2添加量增加时，YAG：Ce晶格常数会因为Si4+取代Al3+的四面体晶格位置而变小，同时产生将YAG：Ce之铝离子空位缺陷，使活化中心更有效地在YAG：Ce主体中扩散取代Y3+的十二面体晶格位置，提高其发光性质约20~35%。
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This method has been used to calculate electronic structures of the icosahedral,tetrahedral and dihedral fullerenes and some stability rules are obtained.
这种方法已经用于系统地研究具有二十面体群、四面体群和二面体群对称性的各富勒烯同系列，并且得到规律性的结果。
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Plato conjectured each of these elements to be made up of a certain Platonic solid: the element of earth would be a cube, of air an octahedron, of water an icosahedron, and of fire a tetrahedron .
柏拉图推测每一种元素都是由某些理想立方体组成：地元素是由立方体组成，风元素是一个八面体，水元素是二十面体，火元素是四面体。
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The shape function of FEM based interpolation function is presented according to the FEM theory.
与传统的四面体剖分插值相比较，该方法能够更好地采样数据分布的细节。
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This can greatly decrease intersecting judge amount of ray and cells. This method can be generalized in polyhedron volume data.
此方法并不局限于四面体元数据的体绘制，还可以被广泛地应用在一般多面体元上。
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The equations of two classes of 3D polynomial maps that are equivariant with respect to the rotational symmetries of either a regular tetrahedron group or a regular octahedron group are strictly given, on the basis of which the properties of the general Julia sets created by these 3D polynomial maps are discussed and proved.
从理论上分析并证明了三维多项式映射满足等变的条件，精确地给出了关于正四面体群和正八面体群具有旋转不变对称性的两类三维等变映射的具体公式，在此基础上讨论并证明了三维多项式映射的广义Julia集所具有的性质。
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Fractal with OPENGL programming, you can see a rotation to regular tetrahedron, each tetrahedron is a fractal pattern interview.
详细说明：分形，用OPENGL编程，可以看到一个旋转地正四面体，正四面体的每一面试一个分形图案。
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The porous media model of software FLUENT was introduced to simulate the 2D flow through permeable tetrahedrons,and an experiment was conducted to verify the simulation;With the simulation,the influence of parameters such as Re、relative width b/B and relative length l/B on the protected length downstream of permeable tetrahedrons was studied.
本文首次尝试利用Fluent软件的介质模型对经过四面体透水框架群的水流进行了平面二维数值模拟，通过模型验证，多孔介质模型能较好地用于四面体透水框架群模拟；另外，通过数值计算，研究了Re、相对宽度b/B、相对长度l/B对四面体透水框架群下游保护长度的影响。
- 更多网络解释与四面体地相关的网络解释 [注：此内容来源于网络，仅供参考]
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deplorable：可叹的/悲惨的/凄惨的
deploid /扁方二十四面体/ | deplorable /可叹的/悲惨的/凄惨的/ | deplorably /可叹地/悲惨地/
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fuel：可燃物
由图1之流程可以清楚地看出:可燃性物质要燃烧需要具备:(1)可燃物(Fuel);(2)氧气(Oxygen);(3)热源(Heat);(4)连锁反应(Chain reaction)四者缺一不可,吾人可利用一简单之正四面体来表示燃烧的四要素及其内容;如图2.
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percolation：渗透(作用)
至于渗透作用(Percolation)则是地下水经过 彼此相通的孔道,在风化壳或基岩中从一个地方向另一个地方的缓慢运动. Inosilicates 链状硅酸盐 链状硅酸盐是硅氧四面体共有氧离子,连 结成链状的一类硅酸盐. 有两种类型的链:(1)单链,