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- The principal curvature method and Gauss curvature method are two mathematic methods for appraising and predicating distribution of reservoir fractures. 最小曲率法是定向井、水平井轨道设计、测斜计算中经常使用的一种方法。
- This paper uses principal curvature, plane stress and structure filtering to evaluate the development of fracture at geology shape, mechanical and signal handle facet. 本文应用主曲率分析技术、平面应力分析技术、构造滤波技术，从地质形态、力学角度、信号处理的角度给出了地质构造的裂缝发育评价。
- In this note, by means of families of parallel surfaces, we obtain a necessary and sufficient condition for a smooth surface M in H3 to be constant principal curvature. 借助平行曲面族的特征来刻划H3中的光滑曲面M;从而得到M是常主曲率的一个充要条件.
- principal curvature of a surface 曲面的主曲率
- Mesh Smoothing Using Principal Curvature Flow 主曲率均匀的网格光顺
- direction of principal curvature 助率方向
- A new approach to predicting fractures using principal curvature 裂缝预测主曲率法的新探索
- It mainly deals with the properties for the principal curvatures of the hypersurface and gets two sufficient conditions under which S has a second gap.Also estimates for the gap s length are obtained. 通过对此超曲面主曲率的研究，给出了S的可能值存在第二空隙的两个充分条件，并分别估计了在这些条件下的空隙长度。
- The Application of Moving Frame in the Calculation of Spiral Bevel Gear's Principal Curvature 弧齿锥齿轮主曲率计算的幺正活动标架法
- Rotational hypersurface about given principal curvature function in euclidean space 欧氏空间中给定主曲率函数的旋转超曲面
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The Position Vector Field of a Special Surface about Given Principal Curvature Function 给定主曲率函数的一类特殊曲面的位置向量场
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- REAL HYPERSURFACE WITH CONSTANT PRINCIPAL CURVATURE OF PSEUDO COMPLEX SPACE FORM 伪复空型的具有常主曲率的实超曲面
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。
