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This paper analyzes the positive and negative influence of CAD in the design, and states the system, it will make the designer keep the objective attitude in the application.

本文分析了CAD在设计中引起的正面和负面影响，并进行了系统的阐述，从而使设计者在应用中能够保持客观的态度。

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Equipped with advanced computer - aided design (CAD) systems and computer management system.

配有先进的计算机辅助设计¡(CAD)系统和电脑管理系统。

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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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