通过KW系统说明有限典范模型与滤模型是证明系统有限模型性质的两种不同方法，但在技术上却有许多共性。
From the example of the system KW, the paper shows that finite canonical model and filtration are two different ways to prove finite model property, but they have something in common on techniques.
实验分析不同参数影响因素下有限制和无限制转换的不同方法，结果表明扩展方法能够改善系统性能。
Experiment analyzes different bounded and unbounded data transformations under different reference influencing factor. The results show the extension method improves performance observably.
方法采用三维有限元法测量受不同方向的后牵引力的鼻上颌复合体三维有限元模型。
Methods A three-dimensional finite element model of the nasomaxillary complex was created, consisting of 1638 isoparametric elements and 1827 nodes.
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