目的：建立X线头颅侧位定位片硬组织形态二维有限元分析模型。
Objeclive:To establish a two dimensional finite element analysis model for hard tissue morphology on lateral cephalometric X ray film.
目的探讨一种与多普勒超声相结合的人体二尖瓣狭窄下游湍流剪应力二维有限元分析方法。
Objective:To conduct such a study on TSS downstream of mitral stenosis using a finite element model of two dimensions combined with Doppler echocardiography in human beings.
不确定性参数的二维热结构有限元分析研究有着广泛的工程背景和重要的理论意义与学术价值。
The research about finite element analysis for two-dimensional thermal structures with uncertain parameters has extensive engineering-background, important theory meaning and academic value.
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