球面

In this paper, model of aspherisation for higher-dioptry spectacle lens is investigated.

本文研究高屈光度眼用透镜消除离像散的非球化模式。

Some important theoretical issues of catadioptric omnidirectional systems for the spherical mirror are researched.

摘要对球镜折反射全向视觉系统的某些理论问题进行了研究。

Concentric spheres are parallel.

同心球是平行的。

In this paper,a fuzzy hypersphere support vector machine(FHS-SVM) landmine detector was proposed.

本文提出了模糊超球向量机(FHS-SVM)地雷检测器。

The convex aspheric surface has self-aplanatic capability.The range that can be utilized in practice was studied.

分析了自消球差方法检验凸二次非球的实际可用范围。

Using biserial roller axletree with centripetal spherical support of the host axletree can reduce energy consumption by 30%.

主承受用双列向心还球滚子承，可降低能耗30%。

A non-wrinkling limited graph for spherical surface parts of retiary metal sheet and metal sheet is obtained.

通过模拟得到了带孔网和无孔球件时不起皱极限与厚的关系曲线。

Isoperimetric inequality for sphere and ellipsoid is discussed, and the isoperimetric inequality of some region satisfying certain conditions is given.

全应力的变化范围常用应力椭球方程和应力椭球来描述。

Calculating formulas and derived process of main angles of stator coil colloidization model at bottom end of spherical coordinate are introduced.

本文介绍了定子线圈胶化模在球坐标系下端部几个主要角度的计算公式以及推导过程。

In the article we analyse the structure compose,the endure force status,the request of strength and stability on the domed bulkhead with nonaxisymmetry sphere-conical transitional annulated shell.

系统分析了带有非对称球锥过渡环壳的球舱壁的结构组、受力工况、强度与稳定性要求,用有限元方法对各参数进行了强度优化与稳定性优化。

In this paper, we show that the Pseudo-Symmetric property of spherical point set can be characterized by the eigen values of eigenpolynomial and it has the closeness under the metric sum operation.

本文证明了球有限点集的伪对称性可以完全由其特征多项式的根来刻画，并得到了在度量加运算下伪对称性具有封闭性.