指出平面体系的几何组成分析是结构力学的重点，介绍了几何组成分析的概念、要领和途径，重点研究了多链杆体系的分析技巧，并辅以例题进行说明，对掌握平面体系的几何组成分析具有参考意义。%The paper points out that:plane geometric composition analysis is the major point of structural mechanics,introduces its identifica-tion,essentials and approaches,and mainly studies multilink system analysis skills,and makes an illustration with examples,which has certain guiding meaning for grasping plane geometric composition analysis.
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