本文的研究工作，得到了埃特纳火山下面的一组新的三维速度模型。
A new set of three dimensional velocity models beneath Etna volcano is derived in the present work.
利用大型有限元计算软件ANSYS进行以三维模型为基础的L型机头内部流动速度分析和模拟研究。
The FEM software ANSYS was employed to analyse and simulate the flow velocity in L shape sheet extruder die based on a three dimensional model.
针对以上问题，我们建立一个一维坐标空间三维速度空间的斜磁场作用下的等离子体鞘层物理模型。
In allusion to these problems, a plasma sheath model in an oblique magnetic field, which has one dimension coordinate space and three dimensions speed space, has been build.
用热线风速仪测量了常规层燃炉炉膛和带有偶极子涡流器的炉膛模型拱区的三维速度场。
In this paper, the 3 D velocity fields in the furnaces' arch area for a conventional stock boiler and the model with dipole vortex device were measured by the hot wire aerometer.
针对波动方程叠前深度偏移中重要的速度模型问题，研究了一套三维速度建模方法和软件。
Taking aim at solving the important velocity model problem in wave equation pre-stack depth migration, This paper studies the method and software of building 3d migration velocity model.
利用模型变换及纹理映射方法，实现三维水平速度模型的动态剥离显示。
Realize dynamic clip display of 3_d velocity model by texture mapping and model transformation.
实验结果表明，利用此模型在三维物体表面综合纹理时，计算速度较以前的方法有明显提高，同时具有很好的综合效果。
The good effects on synthesis and less time-consuming in computation can be seen from the experiment results using the above method.
在保证DEM重要区域精度的条件下，加快了计算机绘制三维景观模型的速度，满足了三维可视化实时交互的需求。
Under the conditions prescribed by guaranteeing dem important area precision quickening the computer to render 3d sight model and satisfy 3d Visualization demand in real-time and interactive manner.
在保证DEM重要区域精度的条件下，加快了计算机绘制三维景观模型的速度，满足了三维可视化实时交互的需求。
Under the conditions prescribed by guaranteeing dem important area precision quickening the computer to render 3d sight model and satisfy 3d Visualization demand in real-time and interactive manner.
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