整个结构划分为若干组合单元，每个组合单元包括拱、桁梁及竖杆横撑架三部分。
The structure is resolved into several compound elements and every compound element consist of three parts: arch, trussed beam and lateral brace.
本文介绍了双万向节——齿轮组合机构与三滑块摆动导杆机构之组合机构的运动分析、优化设计。
This paper presents the kinematic analysis and the optimal design on the combined mechanism of double universal joints gears and the oscillating guided bar mechanism with three slides.
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