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本文结合上海国际会议中心球体网架安装工程实际，阐述了球体网架安装过程所实施精密定位方法和措施，从而确保该工程按设计要求达到２ｍｍ的相对精度。
Based on the actual installation of the ball grid in the Shanghai International Convention Center, this paper elaborates the precise positioning methods and measures implemented in the ball grid installation process to ensure the project to achieve the relative accuracy of 2mm according to the design requirements.