theory of surfaces中文什么意思

例句与用法

1. the theory of surfaces made a slow start. it began with the subject of geodesics on surfaces .
   曲面理论也经历了一个漫长的开端，曲面理论是从曲面上的测地线的研究开始的。
2. based on the theories of surface panel method, the mathematical models for the hodong propeller are established in this paper
   本文首先基于面元法理论建立了hudong型螺旋桨水动力性能预报的数学模型，并用对其进行了数值计算。
3. this paper introduces mathematical theory of surface splinefunction, and analyses its application in dtm, namely spatial interpolation, calculation of slope and direction etc
   本文介绍了曲面样条函数的数学原理，分析了其在dtm中的应用方法，即可用于空间内插和坡度、坡向分析。
4. the fundamental theory of surface reconstruction is further discussed which leads to the finding that there are some disadvantages in bezier and nurbs . so both bezier and nurbs are chosen as the fundamental methods to achieve surface reconstruction
   对曲面重建基本原理进行深入分析，针对bzier方法和nurbs方法的各自特点，在系统中选择bzier和nurbs两种方法作为系统软件曲线曲面重构的基本方法，并实现曲面重构。
5. after analysing functions and basic theory of surfacer and studying key technology of object reverse engineering of complex parts, author expatiates data capture, data processing and surface reconstruction and summarizes methods and steps of surface reconstruction . by applying reverse engineering technology to wheel, author achieves wheel 3d geometrical model reconstruction and establishes the basis of further design of succedent cad / cam systems
   本文通过对逆向工程软件surfacer的功能和基本原理的分析，研究了复杂曲面实物逆向工程的关键技术，对逆向工程中的数据获取、数据处理和曲面重构技术进行了详细阐述，总结了surfacer在曲面重构中的方法、步骤和技巧。