富兰克林一看到这个三螺旋模型就认出来了，而且她已经知道这个模型是错误的。
As soon as Franklin saw the model - a triple helix - she knew it was wrong.
信件里的一段文章在周三由自然杂志刊发，内容侧重于与1953dna双螺旋结构的发现有相关的模型。
An article on the letters was published Wednesday in the journal Nature, focusing on those related to the discovery of DNA's double helix structure in 1953.
方法采用螺旋CT扫描、计算机图像处理及CAD技术，建立含腭部种植体的上颌骨三维有限元模型。
Methods A three-dimensional finite element model of maxilla containing palatal implant was built using spiral CT scanning, computer image processing, and CAD technology.
利用扩展的三变量布鲁塞尔模型，得到了新的时空斑图，其中包括振荡四边形斑图、调制条纹斑图以及螺旋波斑图。
New spatiotemporal patterns including oscillating square pattern, modulated stripe pattern and spiral pattern have been found in a three-variable Brusselator model.
方法：根据人体下颌骨的螺旋CT扫描图像，利用三维重建、图像处理和网格划分技术，建立人体下颌骨的三维有限元模型。
Methods: a Finite Element Model of human mandible is developed from ct scan images by the technologies of three-dimensional reconstruction, image processing and meshing.
方法采用螺旋ct断层扫描、计算机图像处理、计算机辅助设计和有限元软件处理，建立含腭部种植体的上颌骨三维有限元模型。
Methods Spiral ct scanning, image processing and CAD technology and FEM software were employed in the study to construct the three-dimensional finite element model of maxilla with a palatal implant.
根据人体下颌骨的螺旋CT扫描图像，利用三维重建、图像处理和网格划分技术，建立了人体下颌骨的三维有限元模型。
A finite element model of human mandible is developed from ct scan images by the technologies of three-dimensional reconstruction, image processing and meshing.
论述了螺旋锥齿轮动力学研究的三种主要方法，即加载接触分析（LTCA）、解多维非线性方程组的方法，以及加载接触分析与周向振动模型结合的仿真分析方法。
The first method was loaded tooth contact analysis(LTCA), the second method was to solve nonlinear dynamics equation and the third method is to integrate torsional vibration model with LTCA.
应用此系统可以迅速设计开发出所需要的主减速器圆弧螺旋锥齿轮的基本参数和三维模型。
This system can be developed rapidly design required main reducer arc of spiral bevel gears of 3d model and basic parameters.
利用FIRE软件建立了某柴油机螺旋进气道的三维仿真模型，对进气流动进行了CFD模拟计算。
The three-dimensional simulation model of the spiral inlet duct of a diesel engine is created with the FIRE software, and CFD simulation of inlet flow is carried out.
应用微分几何理论，给出了圆锥螺旋铣刀几何特性，据此导出了三维非线性铣削力模型，继而采用非线性规划识别切削力系数。
This paper sets up an instantaneous cutting force model for a spiral cylinder cutter by analyzing the linear relationship between micro-unit milling force and instantaneous uncut chip thickness.
在第三节中提出了灯丝的三种分割方法：线形分割、柱形分割、螺旋模型模拟灯丝。
In the third section, three methods of filament division are presented: linearity division pillar division, helix division.
逆向仿形建立了某种型号的螺旋进气道三维实体模型。
Set up one helical intake port model by reverse engineering.
采用三重螺旋模型，从“农官学”三方互动的角度分析农业专家大院的运行机制。
Adopting triple helix model, it analyzes the operation mechanism of courtyards of agro-experts from the perspective of "academy-agriculture-gove."
结论：螺旋ct断层扫描技术与三维有限元法相结合，可以建立复杂的牙模型，且能真实地模拟实际情况，使用性好。
CONCLUSION: Combination of 3-d finite-element model with spiral CT-cross technology establishes complex dental models, simulates practical conditions authentically and is good in operation.
应用螺旋CT断层扫描技术和大型工程软件UG建立三维有限元模型。
Spiral CT tomoscan and UG software were applied to establish 3-dimensional finite-element models.
建立了三圆弧螺旋槽径向截形的数学模型。
The mathematical model of the flute radial cross section with three pieces of arcs…
目的：用螺旋CT数据资料建立颅面三维模型，并探讨了该模型在颅颌面外科领域的应用。
Objective: To establish 3-dimensional model of skull using SCT datum and discussing its application in craniofacial surgery.
建立了三圆弧螺旋槽径向截形的数学模型。
The mathematical model of the flute radial cross section with three pieces of arcs has b…
建立了三圆弧螺旋槽径向截形的数学模型。
The mathematical model of the flute radial cross section with three pieces of arcs has b…
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