spherical mechanism meaning in English

球面机构
球面运动机构

Spherical mechanism analysis based on virtual reality
基于虚拟现实的球形机构分析
The principle of outside installation mechanism in laser tracking measurement system is introduced and a spherical mechanism method is adopted to design the 2d tracking circumrotatory mechanism according the development of laser tracking measurement system in global
作者根据国内外激光跟踪测量系统发展情况，介绍了外置式激光跟踪测距系统的原理，采用球形跟踪伺服装置的设计思想，设计了两维旋转跟踪伺服装置。