三维的

In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium.

本文基於傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。

The time-frequency analysis to do 3D graphics source files, the program can draw signal frequency, and the ti...

有关时频分析做三维图形的源程序，该程序可以绘出信号，频率，以及时频三维图形，对信号的特性分析可以较好把握！

By observing and analyzing 3D structure of apple flower and inflorescence, we raised the 3D structure mathematical model of anthocaulus, receptacle, calyx, petal, androecium and pistil.

为了实现对苹果花及花序三维形态结构的交互设计、几何建模和真实感现实，提出了精确描述苹果花序三维形态结构的数学模型及可视化方法。

In this paper, a new method of measuring liquid three dimensional flow velocity by rotating the probe in the plane is presented based on the elaborate analyzing of hot film anemometer.

针对热膜流速仪元件的工作原理提出了通过平面旋转测量液体三维流速的新方法，并测量了大型精馏塔板液相单相三维流场，为计算流体力学对塔板模拟提供了实验验证。

In this paper,a new method of measuring liquid three dimensional flow velocity by rotaining the probe in the plane was submitted basing elaborate analyzing of hot film anemometer.

本文针对热膜流速仪元件的工作原理提出了在平面旋转测量液体三维流速的方法，并测量了大型精馏塔板液相单相三维流场。

A vertical profile of the 3D wellbore trajectory is generally.The challenge is how to draw the actual wellbore trajectory on the vertical profile of planned well trajectory.A planned 3D well path profile is depicted using vertical depth and projection length,however,the actual wellpath profile is supposed to be drawn using vertical depth and apparent projection length.

三维井眼一般都绘制垂直剖面图，其难点就是怎样在设计井眼轨道的垂直剖面图上描绘实钻井眼轨迹的剖面线，由于三维井眼设计剖面图是用垂深与投影长度绘制，其实钻井眼轨迹剖面图应该是用垂深和视投影长度绘制。

Combined with "The research and development of automobilism simulator based on distributed virtual reality technology" and other projects, it structured a three-dimensional model database by applying the three-dimensional modeling software MultiGen Creator.

本论文以"基于分布式虚拟现实技术的汽车驾驶模拟器的研究与开发"等相关课题为背景，应用了三维建模软件MultiGen Creator建造三维模型数据库。

Aimed at solving this problem, this paper has analyzed the requirements of AVO for the designing of the 3D observational system and ...

笔者针对这些问题，分析了AVO对三维地震观测系统设计的要求，提出了一种AVO观测系统，既适合常规三维地震勘探，又能满足AVO技术的特殊需要。

A measurement system control and data processing software is composed with 4 modules, namely, parameters setup module, sampling control module, data processing module, and 3D display module which can illustrate the 3D profile of the inside surface of barrels with normal axonometric projection and cabinet drawing.

该软件分为参数设置模块、采样控制模块、数据处理模块和三维表面显示模块，可实现采样过程的动态显示，并能以正等测和斜二等测两种投影方式向用户展示被测表面的三维形貌。

In order to get the 'three parameters changeable' formulaof the nonlinear spring design engineering, spring diameter, spring wirediameter and helix angle changed coinstantaneous based on spring designtheory that wildly used before is considered, the model results is showedsuccessfully in Unigraphics Solutions software by using Ugopen/APItechnology.

本文中通过考虑弹簧螺旋角的影响，在原有弹簧设计理论的基础上，通过同时改变弹簧中径、簧丝直径和螺旋角三个螺旋弹簧设计参数的方法，得到了满足刚度性能要求的&三变&螺旋弹簧的设计方法，并在三维CAD软件UGII中成功的实现了这种弹簧的三维实体数据模型的建立工作。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。