rigid distortion

To set up the evaluation base and method of medical rigid endoscope distortion, by using optical axis symmetrical spherical Z view field as the model to simulate concave characteristics of body cavity, the analysis base of endoscope object-image conjugation is established.

建立医用硬性内窥镜畸变的评定基础和方法，用视轴对称的球面Z视场为模型来模拟体腔凹面特征，以建立内窥镜物像共轭的分析基础；

A rigid framework, as of wooden beams or metal bars, designed to support a structure, such as a roof. Elementary Dissertation of Sustainment Space Between for Preventing from Distortion in Welding Structural Part of Hydraulic Pressure Bracket

桁架用木棒或金属棒做成的坚硬的构架，用于支撑屋顶等结构液压支架结构件焊接防变形支撑形式浅析

The results show that this process greatly decreases the slumping and distortion of tungsten heavy alloy, increases the homogeneity of the microstructure and local hardness, etc, because of the formation of three dimensional rigid net backbone with tetrakaidecahedron in the solid state sintering stage.

由于在固相烧结阶段形成了坚固的十四面体形的三维连通网络骨架，阻碍了液相烧结中钨颗粒偏析所引起的变形，合金的性能和显微组织的均匀性大大提高。