Through introducing the development process of EWIS design method, this article has explained why aircraft EWIS de-sign is still facing so many issues even if under digitalized technology. It has also illustrated that the current digitalized technology level of the Chinese enterprise caused the gap of EWIS design;meanwhile this article has provided a solution which can better uti-lize digitalized technology to enhance the level of EWIS design.%介绍EWIS设计手段的发展过程，分析了为什么在数字化技术下飞机EWIS设计还面临着如此之多的问题。说明现阶段我国企业数字化技术水平造成了EWIS设计的差距，同时给出了如何更好地利用数字化技术，提升EWIS设计水平的方法。
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