The present paper aims at introducing to a computer aided design and optimization method for deeply submerged shapes in a viscous fluid under parallel inflow conditions.

本文旨在介绍应用计算机辅助优化寻求最小阻力流体形状的设计和研究方法。

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A computer aided design system is developed according to the design and calculation requirement of 3 different types, 12 different sizes and 10 different installation configurations.

按照通用埋刮板输送机3个机型、12种规格、10种安装形式的设计和计算要求，研制了它的计算机辅助设计系统。

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Drawing is a more productive way of thinking than computer-aided design.

与计算机辅助设计相比，绘图是一种更有效的思维方式。

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He didn't own a computer-aided design, or CAD, program.

FORBES: Easy Designer

He didn't own a computer-aided-design, or CAD, program.

FORBES: Easy Designer

Students in the program learn to use computer-aided-drafting (CAD) to design a photovoltaic system, they learn about the sorts of issues that come up when designing such a system, and they learn about the installation and maintenance of such systems.

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