Predating CAD, this geometric linear- and arc-based approach evolved out of the mental constructs of design technique, industrial fabrication, and reproduction of the objects of the 20th Century.
由我们心中所想衍生出的，几何化的直线、曲线为基础的早期CAD，决定了整个20世纪的设计技术，工业生产和物品的复制和再生产。
To solve this problem, this paper designs and implements a geometric teaching system based on PUI (Pen User Interface), and applies technique of bidirectional geometrical constraint to this system.
针对这个问题该文基于人机交互中的笔交互技术，设计并实现了一套几何教学系统，并将双向几何约束的相关技术应用于该系统中。
Laser hologram technique combines geometric optics, ware optics and information optics together, presenting a bright future for the study of optics.
激光全息摄影技术集几何光学、动光学和信息光学为一体，为光学的研究展示了美好的前景。
This paper presents the design and implementation of a content-based image retrieval system which acquires effective and efficient similar shape retrieval using a modified geometric hashing technique.
文中介绍了一个基于内容的图像检索系统的设计和实现，它利用改进的几何散列技术能够获得快速而且准确的相似形状检索。
The traditional modeling techniques are mainly focused on physical modeling and geometric representation, so it makes the conceptual design of products not obtain effective technique support.
由于传统建模技术主要集中于物理建模和几何表示方面，致使产品概念设计阶段缺乏有力的技术支持。
According to the characteristics of RP technique, a method of geometric modeling for complex surfaces is proposed.
针对快速成形工艺特点，提出了一种基于实物的复杂曲面几何重建的方法。
Under the assumptions of geometric optics and thin phase screen the retrieval algorithms of amplitude in GPS/LEO occultation technique were listed in this paper, respectively.
本文在几何光学和薄相位屏的假设下，分别介绍GPS/LEO无线电掩星反演地球大气技术中振幅反演的计算方法。
The two key techniques of milling process simulation, i. e. geometric simulation technique and physical simulation technique, are summarized and analyzed in this paper.
对铣削过程模拟中的两个关键技术———几何模拟技术和物理模拟技术进行了归纳和分析。
Science technique in the world change with each passing day nowadays and the renewal of knowledge be surge with geometric progression.
当今世界科学技术日新月异，知识的更新以几何级数激增。
Xu is fascinated with the Western technique of "geometric composition" and infuses it in his own work.
徐邠着迷于西方的构成艺术，并将其注入自己的作品。
In order to enhance clipping velocity as much as possible, the technique of line geometric transformation is imported to later flow of the new algorithm.
后续流程引入线段几何变换技术实施裁剪，尽可能加快求交进程。
The geometric error modeling of NC machine tools is the key technique to dynamics design, precision analysis and error compensation. It is the important step to improve the precision of machine tools.
数控机床的误差建模是进行机床运动设计、精度分析和误差补偿的关键技术，也是保证机床加工精度的重要环节。
Concerning the method, the technique of IMLS was adopted for the approximations of the unknown variable, and the square sphere was used for the geometric form of the local influence field.
方法中未知变量的近似采用IMLS技术，局部影响域形状采用方形几何形态。
The relationship between rock damage and rock fragmentation is studied by using advanced experimental technique and fractal geometric methods.
应用先进的实验技术和分形几何方法研究了岩石损伤与岩石破碎。
Methods: Reverse engineering technology was used. Geometric models were built by the use of advanced 3-dimensional laser scanning and computer assisted 3-dimensional design technique.
方法：采用逆向工程技术，通过三维激光扫描技术，三维造型设计技术建模。
Convolution surface is an attractive technique in geometric modeling.
卷积曲面是一种很有潜力的隐式曲面造型方法。
With the correlation technique, direction and speed of the infrasound can be calculated by computing the time delay of each detector and by using geometric knowledge.
利用互相关技术，计算信号在不同传感器上的时间延迟，再由平面几何原理，得到波的方位和波速。
In this paper, an effective image-based modeling method on the lunar surface ve is proposed, which utilizes the multi-resolution geometric modeling and the multi-texture mapping technique.
本文以基于图像建模技术为基础，采用多分辨率建模技术和多重纹理映射技术，提出了一种高效的对月面虚拟环境进行建模的方法。
The 3d mesh model is transformed into geometric image by adaptive shape-preserving resampling, and compressed using the image processing technique.
通过保形自适应重采样，可将三维网格模型转化为规则排列的二维几何图像，从而可借鉴成熟的图像压缩技术对其进行压缩。
Multidimensional scaling (MDS) is a data analysis technique that transforms proximity information into geometric information.
多维标度技术是一种把实体间相似性信息转换成空间几何信息的数据分析技术。
The geometric progression technique and three dimension arc length technique are combined to form a new method.
利用等比数列网格生成技术，三维弧长生成技术以及拼接技术生成计算网格。
In this paper, a fast noiseless coding technique for binary images is proposed. This technique makes use of the geometric features of images.
本文利用图象的几何特征，提出了一种二值图象无失真快速编码算法。
Objective: To evaluate the left atrial geometric patterns and its correlations in patients with hypertension by ultrasonographic technique.
目的：探讨高血压病左房构型的改变及其相关性。
Objective: To evaluate the left atrial geometric patterns and its correlations in patients with hypertension by ultrasonographic technique.
目的：探讨高血压病左房构型的改变及其相关性。
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