Set up the 3D parametric models of six inserts.7.
6．建立了六种牙齿的三维参数化模型。
参考来源 - 基于PRO/E的三牙轮钻头CAD系统的研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
Parametric models are built from a set of mathematical equations.
参数的模型是从一组数学公式中被建造出来的。
Describing soil particle-size distribution by parametric models has various advantages.
采用参数模型描述土壤的颗粒大小分布有许多优点。
For estimating the software error intensity of parametric models, weighted least-square (WLS) estimate is suggested for the first time.
对于参数模型软体错误强度，本文首次建议加权最小平方(WLS)估计。
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