parabolic geometry 欧氏几何 ; 抛物型几何
parabolic geometry liner 球缺型药型罩
parabolic metric geometry 抛物度量几何
Geometry analysis and design procedure of complex pantograph structures are studied with joint coordinates as variables and parabolic shell is taken as an example.
以抛物面壳为例，介绍了用节点坐标为未知量分析复杂剪式铰结构几何问题的方法和几何设计的步骤。
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