Axial compression test can use double knife-edge bearing to instead spherical hinge bearing;
轴心受压构件试验可采用双刀口支座代替球铰支座；
A new concept of compliance accuracy ratio of flexure spherical hinge was proposed, which was used as the performance index of hinges.
提出弹性球铰链柔度精度比的概念，并以此为性能指标对铰链的设计进行了优化。
Based on the Castigliano's second theorem, the equations were formulated for the compliance and precision of an elliptical flexure spherical hinge.
基于卡氏第二定理，推导出椭圆型弹性球铰链柔度、精度的解析表达式。
To spherical hinge connection at one end, damper of flange connections at one end and the other end supported by flange connections are made into spherical hinge connections.
对于一端球铰连接，一端法兰连接的阻尼器，与法兰连接支撑的另一端也做成球铰连接。
According to the forming principal of spherical surface, inner spherical surface of the spherical hinge is formed utilizing the circular motion of work piece and milling cutter.
根据球面形成原理，利用铣刀和工件的两个圆运动，合成球头碗的不完整内球面。
The structure may be unsafe when clearance pin connections are adopted as three directional hinge support system for spherical lattice shells.
间隙销支座用作三向不动铰应用于支座所在平面为圆形的球面网壳，存在较大的结构安全隐患。
The structure may be unsafe when clearance pin connections are adopted as three directional hinge support system for spherical lattice shells.
间隙销支座用作三向不动铰应用于支座所在平面为圆形的球面网壳，存在较大的结构安全隐患。
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