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。
The core is defined by the structures that make up the lumbo-pelvic-hip complex (LPHC), including the lumbar spine, the pelvic girdle, abdomen, and the hip joint.
以结构的角度定义核心，核心是由腰椎、骨盆、髋关节复合结构所组成，缩写为LPHC，包括了腰脊、骨盆带、腹部及髋关节。
The core is defined by the structures that make up the lumbo-pelvic-hip complex (LPHC), including the lumbar spine, the pelvic girdle, abdomen, and the hip joint.
以结构的角度定义核心，核心是由腰椎、骨盆、髋关节复合结构所组成，缩写为LPHC，包括了腰脊、骨盆带、腹部及髋关节。
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