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本文根据大型摇摆试验台的技术要求，针对台体结构尺寸大、承受载荷大、系统精度要求高等特点，从其结构组成出发，逐个寻找影响系统精度的误差源，并对大型摇摆试验台进行了详细的精度分析，得出了达到设计技术要求的结论。
According to the technical requirements of the large swing test bench, aiming at the characteristics of big structure, large load and high precision of the system, the error sources that affect the accuracy of the system are searched one by one based on the structural components of the large swing test bench. Detailed analysis of precision, reached the design requirements to reach the conclusion of the technology.