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第四章：建立轴孔要素装配可行性分析方法。
In the fourth chapter, the method of assembly feasibility analysis for shaft and hole feature was established.
本文原型系统通过发动机部件活塞连杆装配体加以验证，表明了系统的可行性和有效性。
The verification of assembly modeling system by taking example for piston and connecting rod indicates the feasibility and validity of the system.
概述了本课题的提出背景，对于当前世界先进微装配系统进行了研究，分析了本课题的可行性。
The background of the thesis is reviewed, the current technology used in the world are studied, the feasibility and market outlook are analyzed.
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