csg造句

• Method of building modeling based on the analysis of csg
  构件分析的建筑物模型提取方法
• Charateristics and load carrying capacity of csg dam construction materials
  坝筑坝材料特性与抗荷载能力研究
• Chronic superficial gastritis , csg
  慢性浅表性胃炎
• The cement from the7 ? csg job should not be a problem but if necessary soda ash and citric acid will be available
  固完七?套管以后钻水泥塞不应该有任何问题，如果有的话，就用纯碱和柠檬酸处理。
• To support world expo 2010 shanghai , wharfs are being built for ship - repairing base of china shipping group ( csg ) at changxing island
  摘要为支持上海市举办2010年世博会，在长兴岛修建基地码头。
• The basic application of the csg on building - modeling is discussed , and one volume - cell ( voxel ) growth method is put forward
  介绍了csg在建筑建模中的基本应用,提出了一种基于体素生长的建筑物csg建模方法。
• The main work stated in this thesis focuses in the following aspects . 1 . the improvement on csg modeling technique applied to building - modeling
  本文所做的研究工作集中在四个方面: 1 .建筑物csg建模方法的改进。
• China sciences silpron technology branch co . of csg ( css ) is mainly engaged in the r & d , in manufacturing and marketing the superfine polypropylene filament
  中科集团丝普纶分公司专门从事细旦、超细旦丙纶的研发、生产和经营业务。
• 25 shapiro v , tsukanov i . implicit functions with guaranteed differential properties . in symposium on solid modeling and applications , ann arbor , michigan , usa , 1999 , pp . 258 - 269
  特别是，这些变形计算是可层次化进行的，使得csg树中的所有从根到叶子的结点都能进行变形。
• In this thesis , at first every geometry model of vmt ' s component is designed by the principles of object oriented programming ( oop ) , and then the vmt is constituted through csg
  本文运用面向对象建模技术建立了虚拟机床各部件的三维模型，然后以构造的实体几何法( csg )构造出整个虚拟机床几何模型。
• On the basis of analysis of digital city research framework and existing 3d urban model , this paper researches mainly the techniques of building model based on csg in digital city
  本文在对数字城市的研究体系和三维城市模型进行分析的基础上，着重对数字城市建筑物的构造实体几何( csg )建模方法进行了研究。
• 26 wyvill b , guy a , galin e . extending the csg tree - warping , blending and boolean operations in an implicit surface modeling system . computer graphics forum , 1999 , 18 : 149 - 158
  本文的工作，不是要对已有的复杂cad模型进行反向工程，而是表明：即便有大量的布尔运算，我们的方法也能保持尖锐边超形能很好地进行实体建模。
• In march , 2006 , approved by the governmental executive meeting of zhuozhou city , csg will invest in the construction of zhuozhou urban waste water disposal factory in the mode of bot with a daily disposing capacity of 80 , 000 cubic meters
  2006年3月，经涿州市政府常务会议议定，由中科实业集团（控股）公司以bot方式投资建设日处理污水8万立方米的涿州城市污水处理厂。
• The cmt system is made up of eight sub - systems : was , cs , lr , pdsn , omc , wau , cmg and csg . if different hardware platforms were used , the complexity of the whole system will increase greatly , so does the maintenance difficulty
  Cmt系统由was 、 cs 、 lr 、 pdsn 、 omc 、 wau 、 cmg和csg子系统构成，各硬件子系统单板若采用不同的硬件平台将使系统硬件的复杂度提高、且增加维护的难度。
• Moreover , hierarchical global deformations are considered to increase the range of shapes that can be modeled . the potential of the approach is illustrated by representing complex models composed of several hundreds of primitives inspired from cad models of mechanical parts
  而这些面片生成算法只是对理论上的表面进行逼近生成，因而在处理由csg树生成的隐函数时，需要对尖锐边进行特殊的处理。
• In this paper the turbine blade is described by the method of csg and b _ rep mixed . each part of turbine blade has been divided into the meshes with the parameter mapping method . then the process of integrating the sub - block into a whole object is completed with the method of integer coordinate
  本文采用csg与b _ rep混合描述法描述汽轮机叶片的结构，利用参数映射法对汽轮机叶片的每个子块进行网格剖分，然后利用整数坐标实现子块网格集合成整体有限元网格模型。
• In this thesis , we first introduce the methodology of combinatorial design of testing parameters and the effectiveness of pairwise testing . then we define pair - combinatorial graph ( pcg ) and case sub graph ( csg ) to analyze the pair - cover problem and indicate that to achieve a minimum test set for pairwise testing is an npc problem , but the size of such test set is in a predictable range
  本文首先介绍基于参数组合的测试设计方法和配对覆盖测试方法的有效性，并提出配对组合图( pair - combinatorialgraph ， pcg )和案例子图( casesubgraph ， csg )的概念来描述配对覆盖问题。
• Hust - caid ( computer aided industry design system developed by harbin university of science and technology ) is a parametric modeling design system based on feature . this system describes entities based on mixed model of boundary representation 、 csg tree and feature description tree ( fdt ) , in which the design of solid model and feature - editing can be completed with rebuilding csg tree and feature description tree . but , in the feature modeling , with the number of features increasing , the design model becomes more and more complex . the efficiency of designing is decreased
  Hust - caid （哈尔滨理工大学计算机辅助工业造型设计系统）是一种基于特征的参数化造型设计系统。该系统在基于b - rep 、 csg树和特征描述树（ fdt ）的混合模型基础之上，利用重用csg树与特征描述树的技术，来完成实体模型的设计与编辑工作。但在特征造型过程中，随着造型体数目的增加，设计模型将变得越来越复杂，由此导致了系统设计效率的降低。
• After a comparative studying and analyzing three effective strategies for generating pair - cover test set by means of pcg , csg and a series of sample systems " experiments , we present an improved algorithm , which has a rule for ordering parameters extension and also solves constraint parameters problem
  本文还研究和分析了目前已有的三种有效的配对覆盖测试集生成策略，并利用pcg图和csg图分析了它们各自的扩展算法，还通过一组测试样本系统综合分析和比较了它们各自的效果。
• First , the paper summarizes a group building csg entity and makes combination mode of csg entities clear , by abstracting building model and analyzing building graphic objects . depending on this model , the article describes topology relations of the 3d architecture model inner based on the point , line , surface and entity . finally , in the developing environment vc + + , based on the opengl techniques , 3d building model of tyut office building is implemented by csg
  首先，通过对建筑模型抽取和建筑图形对象的分析，总结了一组描述建筑模型的建筑csg体元，揭示了建筑模型csg体元之间的组合形态，提出一种基于csg的组合建模方案来构造三维建筑模型；然后在此模型基础上进行了基于点、线、面、体的表达方式描述了建筑模型内部拓扑空间关系，简要介绍了建筑模型的体装配方法；最后利用opengl技术在visualc + +下实现了工大办公楼的csg建模实验。