You might not want to allow a variant field name to be reused.
最好不要允许一个变换字段名被重用。
According to these two points, this dissertation starts the research of the product model in FEM field, and puts forward the method of rapid variant design of part family's FEM model based on SML.
本文基于上述两点，对面向有限元领域的产品模型进行一定深度的研究，提出了基于事物特性表的零件族有限元模型快速变型设计方法。
The seismic signal acquired in the field is a complex of different waves and a time variant non stationary signal.
野外采集的地震信号是多种波的复合体，是一种时变的非平稳信号。
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