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
非球面
实际可用范围。
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非球面实际可用范围。
Concentric spheres are parallel.
同心球面是平行。
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轴像散非球面化模式。
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.
系统分析了带有非轴对称球锥过
环壳球面舱壁结构组成、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.
本文证明了球面有限点
对称性可以完全由其特征多项式根来刻画，并得到了在度量加运算下对称性具有封闭性.
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