BSC曲线曲面论，这是本文的重点内容之一。
Then the theory of TBSC and TBBC curves and surfaces are discussed in details.
在曲面论的许多问题中，应用得较多的是高斯曲率。
Causs curvature is often used in dealing with the problems related with curved-surface.
微分几何中的曲面论，用两个变量就可以完全参数化一个二维曲面。
According to surface theory in differential geometry, the two-dimensional surface is parameterized by two variables.
刚性理论是子流形几何中久盛不衰的重要方向，其根源可追溯到经典曲面论的高斯绝妙定理。
Rigidity theory is one ever-flourishing subject in geometry of submanifolds, which can be traced back to Gauss' Theorema Egregium in the classical theory of surfaces.
空间形式上的曲面论，尤其是对某一特殊曲面的构造和分类是微分几何中的一个重要而有趣的课题。
The surface theory in the space form, especially, the construction and the classification of a special surface is an important and interesting problem.
本文计论了计算机源生的全息光学元件（COHOE）的合成及优化设计问题，文后给出了一个实际的结果，得到了特殊曲面的波面。
This paper discusses the composition and optimum design of the computer originated holographic optical elements (COHOE). The preliminary experimental result with a special wavefront is presented.
本文计论了计算机源生的全息光学元件（COHOE）的合成及优化设计问题，文后给出了一个实际的结果，得到了特殊曲面的波面。
This paper discusses the composition and optimum design of the computer originated holographic optical elements (COHOE). The preliminary experimental result with a special wavefront is presented.
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