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文章提出了在链杆系进行几何组成分析时如何选定三刚片的一种方法。该方法的基本观点是:链杆系结构的连接方式和刚片的组成形式都与杆件总数有联系,并且存在着一定的规律。作者通过分析,找出了它们之间的关系,并由此提出了一种选定三刚片的技巧。本文提出的选定三刚片的方法,不仅对难度较大的链杆系的几何组成分析很有帮助,而且对链杆系的几何组成分析有一定的参考价值。
The paper presents a method of how to select three pieces of steel when analyzing the geometric composition of the chain system. The basic idea of this method is that the connection of the chain structure and the composition of the pieces are all related to the total number of bars and there is a certain rule. Through the analysis, the author found out the relationship between them and proposed a skill of selecting three pieces of diamonds. The method proposed in this paper is not only helpful for the geometric composition analysis of the difficult chain system, but also has certain reference value for the geometric composition analysis of the chain system.