A spatial model for the link-length types of the 5-bar linkages is established in this paper.
本文建立了平面五杆机构尺寸型的空间模型，把五杆机构的全部尺寸型纳入到了一个有限的封闭空间内。
A spatial model is established firstly for blade curves based on the research of the ball-end milling cutter for machining the complex curved surface.
前刀面与后刀面的刃磨加工是球面铣刀加工工艺中最复杂的加工模型，尤其是球面端刃的前后刀面的加工模型，是研究的热点问题。
Based on the universal finite element analysis software ANSYS, a spatial model of the bridge is built and the stress distribution under the live load on main sections is analyzed.
利用大型通用软件ANSYS建立结构空间有限元分析模型，分析活载作用下各控制截面的应力分布规律。
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