By study the method of approximate development of surface of revolution, the mathematiccal model of approximate development, precision analysis and error correction has been gained.
通过对不可展回转曲面近似展开方法的研究，得到了回转曲面近似展开、精度分析和误差矫正的数学模型。
The errors of the rocket observation equipment and the processing method make the quality and property of the data doubtful, bringing larger errors to the error seperation and the precision analysis.
由于火箭的观测设备和处理方法的误差，使数据的质量和性质存在问题，给误差分离和精度分析带来较大误差。
The key of the precision analysis of the PMT is to establish cutting tools pose error model, and put forward the establishing idea of error model of the PMT.
接着指出并联机床精度分析的关键是建立刀具位姿误差模型，并提出并联机床误差模型的建立思想。
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