By bulging forming technology analysis of color kinescope shaded cover, die structure and main parts designs are introduced. Punch surface shape is also designed by surface equations.
对彩管荫罩零件进行张拉成形工艺分析，介绍了模具结构及主要零件设计，并运用曲面方程进行凸模曲面形状设计。
It is proved by FEM analysis that the proposed shape and structure of the test box can avoid resonance with the model soil.
在选定模型箱结构的外形与构造时，借助有限元分析论证了可不与模型土发生共振的箱体构造；
Concrete volute chamber is a kind of spatial structure of complex shape, so calculation and analysis of concrete volute chamber is very difficult.
混凝土蜗壳是形状复杂的空间结构，对蜗壳进行计算分析是比较困难的。
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