3D Systems
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But 3D Systems has created something new : 3D-printed food .
但3D系统公司创造了新的东西:3D打印食物。
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Shortly after , a patent was issued to a Dr. Charles Hull and he developed 3D Systems Corporation .
不久后,查尔斯·哈尔博士拿到了专利,并开创了3D系统公司。
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3D Systems shares have fallen 71 per cent , from a high of $ 96 at the start of 2014 to $ 27 today .
3DSystems的股价由2014年初的96美元下滑至如今的27美元,跌幅达71%。
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Over the past three quarters , organic revenue growth at 3D Systems has been 7-12 per cent , well below guidance of 30 per cent .
在过去3个季度中,3DSystems的营收有机增长率为7%-12%,远低于30%的目标。
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Structured light method is widely used in many 3D scanner systems .
结构光测距方法在许多三维扫描系统中有着广泛的应用。
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A Method for Converting Transformation Matrices Between Different 3D Coordinate Systems
一种不同坐标系之间的变换矩阵的转换方法
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The coordinate transformation between the two coordinate systems of 3D graphic systems
三维图形系统中两种坐标系之间的坐标变换
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A New Transformation Method of Exploratory Profiles from 2D to 3D Coordination Systems
勘探剖面二维坐标系向三维坐标系转换的新方法
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This paper proposed a knowledge driven approach in 3D CAD systems to model the product design process .
对三维CAD系统中的知识驱动方法进行了研究。
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Numerical Analysis and Applied Software of Non-Rotational Symmetry 3D Electrostatic Systems Using Boundary Element Method
三维非对称静电系统边界元素法的数值分析及应用软件
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Calibration of Projector in 3D Photography Systems Using Grating Projection
光栅投影式3维照相系统中光栅投影仪的标定
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Establishing Relationship between 3D Co-ordinate Systems
一种在多三维协坐标系统间建立联系的方法
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To the development of real-time 3D scanning systems , multi-directional scanning system , and other follow-up system of ideas and technical ideas .
提出了开发实时三维扫描系统、多方位扫描系统等后续系统的设想和技术思路。
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As the theory of computer aided design and its applications develops , various 2D CAD and 3D CAD systems merge in endlessly .
随着计算机辅助设计理论基础和应用技术的不断发展,各种二维CAD和三维CAD设计系统层出不穷。
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Resent years , various types of spatial 3D display systems have developed rapidly , but rarely for the large display space and high resolution ones .
近些年来各类型空间三维显示系统迅速发展起来,但是大显示空间、高分辨率的空间三维显示系统却寥寥无几。
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The engineering drawings are important documents for industrial manufacture and technical exchange , but it is very difficult and tedious to make a standard drawing in 3D CAD systems .
工程图是进行工业生产和技术交流的重要文档,而在三维CAD系统中制作标准化的工程图比较烦琐。
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Contact detection is a key problem , at present , encountered by all numerical methods during modeling and analyzing practical 3D blocky systems in rock engineering . A Contact Detection Method for the Three-dimensional Blocky System and Discontinuous Deformation Analysis ( DDA )
由三维不规则多面体组成的块体系统的接触检索目前不仅制约着3D-DDA方法的发展,同时也是所有分析非连续块体系统(尤其是岩体系统)的数值方法所共同面临的主要困难之一。
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Secondly , based on the communication mechanism of MFC , this paper designs the mechanism and tables of message exchange between 2D and 3D multi-document systems , which keep the consistency of data of 2D and 3D systems when those systems run .
然后,以MFC的消息通讯机制为基础,设计了二、三维多文档系统信息交换机制和数据交换表,保证了二、三维系统在运行过程中数据的一致性;
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Because of the large amount of computation and rendering it needs , it requires high performance for hardware . Most of actual applied multi-channel real-time 3D rendering systems are constructed using special hardware which has high cost and makes it difficult for spreading and application .
由于三维视景实时生成的计算量和渲染量很大,对硬件的要求很高,大多数实用的多通道实时三维视景生成系统都是使用专用硬件,成本高,推广困难。
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Study on bearing measurements association algorithm in 3D passive location systems
三维测向无源定位中的数据关联算法研究
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Data Structures in 3D Geographical Information Systems in Mine
矿山三维地理信息系统中的数据结构
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Nonlinear dynamic analysis of 3D flexible multibody systems
三维柔性多体梁系统非线性动力响应分析
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Observers for a class of 3D continuous chaotic systems
一类3维连续混沌系统观测器
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the 3D laser scanning systems ,
3D镭射扫描系统
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In this paper the design of observers of a class of 3D continuous chaotic systems is discussed .
讨论了一类连续三维混沌系统的混沌观测器的设计问题。
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Joint Video-depth Predictive Coding for 3D . Television Systems
三维电视系统中的视频-深度联合预测编码
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In most current applications , many enterprises hope to use 3D and 2D systems with interoperability to make the factory flow more efficient .
在当前实际应用中,很多企业希望将三维CAD与二维CAD软件结合起来协同工作以更加有效的完成生产过程。
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Based on the model representation used in 3D parametric CAD systems , four fundamental conditions to solve the persistent topological naming problem , and their internal relationships are analyzed .
从参数化系统的模型表示方法出发,分析了拓扑元素永久命名问题,探讨了解决该问题的4个基本条件及其内在关系。
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Conclusions The routine radiotherapy plan in esophageal cancer could not offer satisfactory dose distribution . The method of CT simulation and 3D treatment planning systems should be applied to decide treatment planning .
结论传统的食管癌设野定位方法不能满足放射治疗的临床剂量学要求,应采用CT定位,通过三维计划系统的方法来确定食管癌的照射方法。
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Based on Pro / E , created the 3D model of mechanical systems ;
基于Pro/E,建立了该机构的机械系统的三维模型;