【Key words】 Multi-Body System Theory； Multi-Axis CNC Machine Tool； Precision Modeling； Error Measurement And Evaluation； Accuracy Predicting； Software Error Compensating； Virtual Machining；
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Thus, this paper makes a systematic and in-depth study on the MBS kinematics theory and the methods of precision modeling, error identification, accuracy prediction, and error compensation based on the studied theory.
本文对多体系统运动学以及基于该理论的机床精度建模、误差辨识、精度预测及误差补偿的方法作了系统、深入的探讨。
参考来源 - 多轴数控机床精度建模与误差补偿方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
One of the immediate consequences of the increased level of precision in UML 2.0 is that the language definition has gotten bigger — even without accounting for the new modeling capabilities.
UML 2.0在精确度方面的提升所造成的最直接的结果之一，就是即使不算它所新增的建模能力部分，这种语言的定义也变得更大了。
Most early software modeling languages were defined informally, with little attention paid to precision.
大多数的早期软件建模语言被非正式地定义，并很少注重它的精确性。
The following cases are examples of the ambiguity of a drawing tool versus the precision of a modeling tool.
以下案例是绘图工具的模糊不清和建模工具的准确的对比示例。
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