spherical two-mirror system

The stiffness of the polar axis' hydrostatic oil pads system in three directions was represented by the stiffness value of a single oil pad in two types of cylindrical and spherical journal.

用单油垫的油膜刚度值来表示柱面和球面轴颈两种极轴静压支承系统三个方向的刚度。

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The reactor pressure vessel composed of spherical top and lower heads, upper and lower flanges, bolts, cylinder and two O-rings, as a static indeterminate system has been studied.

本文将反应堆压力壳的球顶盖、上下法兰、螺栓、筒体及双道O形环作为一个超静定系统进行了应力和变形分析。

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The part that the shoe touches the segment is regarded as a spherical pair, and then each cylinder with its two ends is regarded as one SPS leg. So the whole system can be equivalent to a parallel mechanism with many SPS legs.

将顶靴与管片的接触部位等效为球副连接，将一条油缸支链等效为一条SPS支链，整个推进系统等效为具有多条SPS支链的并联机构。

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The system designs and achieves a spherical triangle's calculation, and a showing assistant design of computer, the system have these functions such as defluxion, showing two-dimensional and three-dimensional graph, real romance, and documentary storage etc.

本系统设计和实现了是一个面向球面三角计算、显示的计算机辅助设计系统，该系统具有偏转，显示二、三维图形，坐标变换、真实感渲染和文件存储等功能。

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Annular Focus System of Laser Combined by a Spherical Lens and Two Mutually Complemented Axicons

一种新型激光环形聚焦系统的研究

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