查询词典 3D

According to geometry and mechanical distortion principle, a computer simulation and visualization technique is developed, which uses 2D seismic interpretative profile, tectonic plan map, sedimentary facies map and well log sheet to generate 3D tectonic-stratigraphic framework of basin, and also to establish spatial information system of real 3D digital basin.

根据几何学和机械变形原理，在具有自主知识产权的GeoView三维可视化地学信息系统平台上，研发出了通过二维地震解释剖面图、构造平面图、沉积相平面图和钻井柱状图生成真三维盆地构造－地层格架的计算机模拟和可视化技术，以及建立三维数字盆地的空间信息系统技术。

3D Venus space survey : Venus 3D Screensaver welcomes you to the fascinating world of stars, planets, asteroids and nebulas.

三维空间探测金星：金星的三维屏幕保护程序欢迎您到迷人的世界，恒星，行星，小行星和nebulas 。

The BEST 325 high performance painting 3D wood blade through our rigorous testing ang tens of thousands of sales, that it is competent 3D flight.

BEST 325高性能3D木桨经过我们严格的测试和数万对的销售业绩，表明它完全能够胜任3D飞行，是一款高性价比的产品，堪称木桨中的精品，非常适合3D入门练习。

The C-V profiles display two well-separated sharp peaks that are originated from the ground and excited states of the QDs, respectively , suggesting an improved uniformity and decreased dot density. The addition of Sb can retard the 3D growth mode and expand the critical thickness of the growth mode from 2D to 3D.

G。比值从0.6937提升至1.2102与光性分析有相同趋势，半高宽有下降趋势显示随Sb增加量子点有较均匀的现象；在Sb含量最多的样品发现，随著量测频率下降基态的浓度有明显增加的趋势(2×1017增加至2.15×1019)，使的基态峰值显得更陡峭，由於可以在电性明显的量测出基态的变化，是因为量子点密度低与均匀度好的原因，这个结果与之前的分析有相同趋势。

The general speedup techniques that concentrate on expediting spatiotemporal coherence from one frame to the next usually uses simplified forms of 3D warp, that is, pixels in current frame are transformed to succeed frames. The approaches of synthesizing images by using optic flow or tensor are under the frame of 3D warp.

McMillan的论文[54]首次详细讨论了单个平面投影图象的3D warp坐标变换公式及其变换过程的兼容可见性扫描算法，本论文在前人工作的基础上，从单个采样图象变换、多个采样图象变换合成、反向变换以及增加镜面反射光等方面深入而系统地研究了3D warp变换进行场景建模和快速绘制的理论和算法。

In general, many digital games have a 3D scene that allows the users to play different roles. For instance, in the treasure hunting games, the users have to get used to the 3D scene so that they can quickly move around to reach their goals.

一般而言，许多电玩的剧情，在某一个场景内做游戏，参与电玩的玩家，分别扮演不同的角色，展开各种不同的游戏，例如寻宝游戏，必须记得场景中的地图，以便熟悉地图，可在场景中快速的移动，迅速到达其所想要去的目的地。

According to the spline theory we presented a shape matching algorithm based on the similarity matrix of curvature and torsion values of 3D curve, we reduced the 3-D curve matching task into a 1-D string matching problem, which makes the matching more veracious and can be used on the 2D or 3D curve matching.

周期性离散曲率函数具有和原有曲率相似的位移、旋转、缩放等特性，为提高匹配的准确度，利用高斯函数进行平滑处理，取得了较好的结果，同时该方法具有直观、速度快等优点，在2D轮廓曲线的匹配中，具有实用可靠的用途。

Based on the geometry constraint and dimensiondriving technique, a 3-UPU parallel simulation mechanism is created. Then a 3D free surface and a guiding plane of tool path are constituted, with the 3-UPU parallel machine tool combined, a novel 3-UPU simulation parallel machine tool for machining a 3D free surface is created.

通过几何约束和尺寸驱动技术，先建立3-UPU并联模拟机构，再构造任意3D自由曲面和刀具轨迹的引导平面，与3-UPU模拟并联机构合成，得到用于加工任意3D自由曲面的模拟并联机床。

Based on the geometry constraint and dimension-driving technique,a 3-UPU parallel simulation mechanism is created.Then a 3D free surface and a guiding plane of tool path are constituted,with the 3-UPU parallel machine tool combined,a novel 3-UPU simulation parallel machine tool for machining a 3D free surface is created.

通过几何约束和尺寸驱动技术，先建立3-UPU并联模拟机构，再构造任意3D自由曲面和刀具轨迹的引导平面，与3-UPU模拟并联机构合成，得到用于加工任意3D自由曲面的模拟并联机床。

However, it is an important but difficult problem to device a method which can be used to measure 3D surface of an object accurately and rapidly and recover the 3D shape.

但是，如何快速而准确地获取被测物体表面的三维几何形状信息，并根据这些信息对被测物体形状进行三维恢复，是困扰着众多从事这方面研究工作人员的一项重要技术难题。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。