The reverse engineering is a modern quick designing method, and the scheme design is the key of machine product design.
反求工程是一种现代快速设计方法，方案设计是机械产品设计的关键。
The numerical analysis of finite element method (FEM) is an important means of modern engineering refined design, having become an indispensable engineering tool for designers.
有限元数值分析是现代工程精细设计的重要方法，已成为工程设计人员不可或缺的重要工具和手段。
This paper strives to provide an important numerical simulation method for the practical engineering implementation by means of modern fire resistant design based on calculation.
力求通过基于计算的现代耐火设计，为实际工程实施提供重要的数值模拟方法。
The content of these improvements is very important to perfect the existing engineering design method and is a main part of the modern design method for centrifugal fans.
这些改进对完善现有的工程设计方法很重要，它也是离心通风机现代设计方法的一个重要组成部分。
The content of these improvements is very important to perfect the existing engineering design method and is a main part of the modern design method for centrifugal fans.
这些改进对完善现有的工程设计方法很重要，它也是离心通风机现代设计方法的一个重要组成部分。
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