The convex aspheric surface has self-aplanatic capability.The range that can be utilized in practice was studied.
分析了自消
差方法检验凸二次非
实际可用范围。
The convex aspheric surface has self-aplanatic capability.The range that can be utilized in practice was studied.
分析了自消差方法检验凸二次非实际可用范围。
Concentric spheres are parallel.
同心是平行。
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
锥过
环壳舱壁结构组成、受力工况、强度与稳定性要求,用有限元方法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.
本文证明了有限点集伪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伪性具有封闭性.
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